Home / 106,387.04-146,807.44-58,637.76

Finding the Fourth Proportional to 106,387.04, 146,807.44 and 58,637.76

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Solution

The fourth proportional to 106,387.04, 146,807.44 and 58,637.76 is: 80,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,387.04 : 146,807.44 = 58,637.76 : x
  2. Step 2: Convert to fraction form
    106,387.04/146,807.44 = 58,637.76/x
  3. Step 3: Cross multiply
    106,387.04x = 146,807.44 × 58,637.76
  4. Step 4: Simplify right side
    106,387.04x = 8,608,459,432.93
  5. Step 5: Solve for x
    x = 8,608,459,432.93/106,387.04
  6. Step 6: Final answer
    x = 80,916.43

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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.