Home / 85,543.83-118,045.68-47,301.15

Finding the Fourth Proportional to 85,543.83, 118,045.68 and 47,301.15

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Solution

The fourth proportional to 85,543.83, 118,045.68 and 47,301.15 is: 65,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,543.83 : 118,045.68 = 47,301.15 : x
  2. Step 2: Convert to fraction form
    85,543.83/118,045.68 = 47,301.15/x
  3. Step 3: Cross multiply
    85,543.83x = 118,045.68 × 47,301.15
  4. Step 4: Simplify right side
    85,543.83x = 5,583,696,416.53
  5. Step 5: Solve for x
    x = 5,583,696,416.53/85,543.83
  6. Step 6: Final answer
    x = 65,272.93

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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.