Home / 89,929.17-124,107.80-51,700.95

Finding the Fourth Proportional to 89,929.17, 124,107.80 and 51,700.95

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Solution

The fourth proportional to 89,929.17, 124,107.80 and 51,700.95 is: 71,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929.17 : 124,107.80 = 51,700.95 : x
  2. Step 2: Convert to fraction form
    89,929.17/124,107.80 = 51,700.95/x
  3. Step 3: Cross multiply
    89,929.17x = 124,107.80 × 51,700.95
  4. Step 4: Simplify right side
    89,929.17x = 6,416,490,903.91
  5. Step 5: Solve for x
    x = 6,416,490,903.91/89,929.17
  6. Step 6: Final answer
    x = 71,350.50

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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.