Home / 106,129.04-146,462.18-58,384.40

Finding the Fourth Proportional to 106,129.04, 146,462.18 and 58,384.40

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Solution

The fourth proportional to 106,129.04, 146,462.18 and 58,384.40 is: 80,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,129.04 : 146,462.18 = 58,384.40 : x
  2. Step 2: Convert to fraction form
    106,129.04/146,462.18 = 58,384.40/x
  3. Step 3: Cross multiply
    106,129.04x = 146,462.18 × 58,384.40
  4. Step 4: Simplify right side
    106,129.04x = 8,551,105,477.76
  5. Step 5: Solve for x
    x = 8,551,105,477.76/106,129.04
  6. Step 6: Final answer
    x = 80,572.72

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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.