Home / 107,581.50-148,462.47-62,869.50

Finding the Fourth Proportional to 107,581.50, 148,462.47 and 62,869.50

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Solution

The fourth proportional to 107,581.50, 148,462.47 and 62,869.50 is: 86,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,581.50 : 148,462.47 = 62,869.50 : x
  2. Step 2: Convert to fraction form
    107,581.50/148,462.47 = 62,869.50/x
  3. Step 3: Cross multiply
    107,581.50x = 148,462.47 × 62,869.50
  4. Step 4: Simplify right side
    107,581.50x = 9,333,761,257.67
  5. Step 5: Solve for x
    x = 9,333,761,257.67/107,581.50
  6. Step 6: Final answer
    x = 86,759.91

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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.