Home / 85,869.68-118,501.26-47,630.12

Finding the Fourth Proportional to 85,869.68, 118,501.26 and 47,630.12

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Solution

The fourth proportional to 85,869.68, 118,501.26 and 47,630.12 is: 65,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,869.68 : 118,501.26 = 47,630.12 : x
  2. Step 2: Convert to fraction form
    85,869.68/118,501.26 = 47,630.12/x
  3. Step 3: Cross multiply
    85,869.68x = 118,501.26 × 47,630.12
  4. Step 4: Simplify right side
    85,869.68x = 5,644,229,233.95
  5. Step 5: Solve for x
    x = 5,644,229,233.95/85,869.68
  6. Step 6: Final answer
    x = 65,730.18

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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.