Home / 89,854.12-124,000.50-52,130.80

Finding the Fourth Proportional to 89,854.12, 124,000.50 and 52,130.80

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Solution

The fourth proportional to 89,854.12, 124,000.50 and 52,130.80 is: 71,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.12 : 124,000.50 = 52,130.80 : x
  2. Step 2: Convert to fraction form
    89,854.12/124,000.50 = 52,130.80/x
  3. Step 3: Cross multiply
    89,854.12x = 124,000.50 × 52,130.80
  4. Step 4: Simplify right side
    89,854.12x = 6,464,245,265.40
  5. Step 5: Solve for x
    x = 6,464,245,265.40/89,854.12
  6. Step 6: Final answer
    x = 71,941.56

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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.