Home / 105,356.36-145,379.85-62,337.17

Finding the Fourth Proportional to 105,356.36, 145,379.85 and 62,337.17

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Solution

The fourth proportional to 105,356.36, 145,379.85 and 62,337.17 is: 86,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,356.36 : 145,379.85 = 62,337.17 : x
  2. Step 2: Convert to fraction form
    105,356.36/145,379.85 = 62,337.17/x
  3. Step 3: Cross multiply
    105,356.36x = 145,379.85 × 62,337.17
  4. Step 4: Simplify right side
    105,356.36x = 9,062,568,553.71
  5. Step 5: Solve for x
    x = 9,062,568,553.71/105,356.36
  6. Step 6: Final answer
    x = 86,018.24

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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.