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Finding the Fourth Proportional to 85,750.48, 118,332.48 and 47,507.68

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Solution

The fourth proportional to 85,750.48, 118,332.48 and 47,507.68 is: 65,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,750.48 : 118,332.48 = 47,507.68 : x
  2. Step 2: Convert to fraction form
    85,750.48/118,332.48 = 47,507.68/x
  3. Step 3: Cross multiply
    85,750.48x = 118,332.48 × 47,507.68
  4. Step 4: Simplify right side
    85,750.48x = 5,621,701,593.45
  5. Step 5: Solve for x
    x = 5,621,701,593.45/85,750.48
  6. Step 6: Final answer
    x = 65,558.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.