Home / 85,811.24-118,420.70-47,052.69

Finding the Fourth Proportional to 85,811.24, 118,420.70 and 47,052.69

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Solution

The fourth proportional to 85,811.24, 118,420.70 and 47,052.69 is: 64,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,811.24 : 118,420.70 = 47,052.69 : x
  2. Step 2: Convert to fraction form
    85,811.24/118,420.70 = 47,052.69/x
  3. Step 3: Cross multiply
    85,811.24x = 118,420.70 × 47,052.69
  4. Step 4: Simplify right side
    85,811.24x = 5,572,012,486.68
  5. Step 5: Solve for x
    x = 5,572,012,486.68/85,811.24
  6. Step 6: Final answer
    x = 64,933.36

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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.