Home / 90,339.98-124,665.85-52,101.12

Finding the Fourth Proportional to 90,339.98, 124,665.85 and 52,101.12

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Solution

The fourth proportional to 90,339.98, 124,665.85 and 52,101.12 is: 71,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,339.98 : 124,665.85 = 52,101.12 : x
  2. Step 2: Convert to fraction form
    90,339.98/124,665.85 = 52,101.12/x
  3. Step 3: Cross multiply
    90,339.98x = 124,665.85 × 52,101.12
  4. Step 4: Simplify right side
    90,339.98x = 6,495,230,943.38
  5. Step 5: Solve for x
    x = 6,495,230,943.38/90,339.98
  6. Step 6: Final answer
    x = 71,897.64

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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.