Home / 105,337.13-145,353.83-62,318.22

Finding the Fourth Proportional to 105,337.13, 145,353.83 and 62,318.22

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Solution

The fourth proportional to 105,337.13, 145,353.83 and 62,318.22 is: 85,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337.13 : 145,353.83 = 62,318.22 : x
  2. Step 2: Convert to fraction form
    105,337.13/145,353.83 = 62,318.22/x
  3. Step 3: Cross multiply
    105,337.13x = 145,353.83 × 62,318.22
  4. Step 4: Simplify right side
    105,337.13x = 9,058,191,644.19
  5. Step 5: Solve for x
    x = 9,058,191,644.19/105,337.13
  6. Step 6: Final answer
    x = 85,992.39

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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.