Home / 85,533.48-118,031.44-47,290.81

Finding the Fourth Proportional to 85,533.48, 118,031.44 and 47,290.81

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Solution

The fourth proportional to 85,533.48, 118,031.44 and 47,290.81 is: 65,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.48 : 118,031.44 = 47,290.81 : x
  2. Step 2: Convert to fraction form
    85,533.48/118,031.44 = 47,290.81/x
  3. Step 3: Cross multiply
    85,533.48x = 118,031.44 × 47,290.81
  4. Step 4: Simplify right side
    85,533.48x = 5,581,802,403.07
  5. Step 5: Solve for x
    x = 5,581,802,403.07/85,533.48
  6. Step 6: Final answer
    x = 65,258.68

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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.