Home / 77,498.17-106,990.47-48,854.54

Finding the Fourth Proportional to 77,498.17, 106,990.47 and 48,854.54

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Solution

The fourth proportional to 77,498.17, 106,990.47 and 48,854.54 is: 67,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,498.17 : 106,990.47 = 48,854.54 : x
  2. Step 2: Convert to fraction form
    77,498.17/106,990.47 = 48,854.54/x
  3. Step 3: Cross multiply
    77,498.17x = 106,990.47 × 48,854.54
  4. Step 4: Simplify right side
    77,498.17x = 5,226,970,463.71
  5. Step 5: Solve for x
    x = 5,226,970,463.71/77,498.17
  6. Step 6: Final answer
    x = 67,446.37

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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.