Home / 77,025.53-106,282.28-43,032.72

Finding the Fourth Proportional to 77,025.53, 106,282.28 and 43,032.72

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Solution

The fourth proportional to 77,025.53, 106,282.28 and 43,032.72 is: 59,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.53 : 106,282.28 = 43,032.72 : x
  2. Step 2: Convert to fraction form
    77,025.53/106,282.28 = 43,032.72/x
  3. Step 3: Cross multiply
    77,025.53x = 106,282.28 × 43,032.72
  4. Step 4: Simplify right side
    77,025.53x = 4,573,615,262.45
  5. Step 5: Solve for x
    x = 4,573,615,262.45/77,025.53
  6. Step 6: Final answer
    x = 59,377.91

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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.