Home / 77,301.59-106,697.18-45,480.74

Finding the Fourth Proportional to 77,301.59, 106,697.18 and 45,480.74

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Solution

The fourth proportional to 77,301.59, 106,697.18 and 45,480.74 is: 62,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301.59 : 106,697.18 = 45,480.74 : x
  2. Step 2: Convert to fraction form
    77,301.59/106,697.18 = 45,480.74/x
  3. Step 3: Cross multiply
    77,301.59x = 106,697.18 × 45,480.74
  4. Step 4: Simplify right side
    77,301.59x = 4,852,666,282.53
  5. Step 5: Solve for x
    x = 4,852,666,282.53/77,301.59
  6. Step 6: Final answer
    x = 62,775.77

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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.