Home / 101,337.17-139,752.30-60,980.85

Finding the Fourth Proportional to 101,337.17, 139,752.30 and 60,980.85

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Solution

The fourth proportional to 101,337.17, 139,752.30 and 60,980.85 is: 84,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,337.17 : 139,752.30 = 60,980.85 : x
  2. Step 2: Convert to fraction form
    101,337.17/139,752.30 = 60,980.85/x
  3. Step 3: Cross multiply
    101,337.17x = 139,752.30 × 60,980.85
  4. Step 4: Simplify right side
    101,337.17x = 8,522,214,043.46
  5. Step 5: Solve for x
    x = 8,522,214,043.46/101,337.17
  6. Step 6: Final answer
    x = 84,097.62

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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.