Home / 85,597.08-118,124.76-47,871.40

Finding the Fourth Proportional to 85,597.08, 118,124.76 and 47,871.40

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Solution

The fourth proportional to 85,597.08, 118,124.76 and 47,871.40 is: 66,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,597.08 : 118,124.76 = 47,871.40 : x
  2. Step 2: Convert to fraction form
    85,597.08/118,124.76 = 47,871.40/x
  3. Step 3: Cross multiply
    85,597.08x = 118,124.76 × 47,871.40
  4. Step 4: Simplify right side
    85,597.08x = 5,654,797,635.86
  5. Step 5: Solve for x
    x = 5,654,797,635.86/85,597.08
  6. Step 6: Final answer
    x = 66,062.97

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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.