Home / 61,897.17-85,432.14-39,267.39

Finding the Fourth Proportional to 61,897.17, 85,432.14 and 39,267.39

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Solution

The fourth proportional to 61,897.17, 85,432.14 and 39,267.39 is: 54,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.17 : 85,432.14 = 39,267.39 : x
  2. Step 2: Convert to fraction form
    61,897.17/85,432.14 = 39,267.39/x
  3. Step 3: Cross multiply
    61,897.17x = 85,432.14 × 39,267.39
  4. Step 4: Simplify right side
    61,897.17x = 3,354,697,159.91
  5. Step 5: Solve for x
    x = 3,354,697,159.91/61,897.17
  6. Step 6: Final answer
    x = 54,197.91

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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.