Home / 107,639.96-148,538.07-59,240.30

Finding the Fourth Proportional to 107,639.96, 148,538.07 and 59,240.30

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Solution

The fourth proportional to 107,639.96, 148,538.07 and 59,240.30 is: 81,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,639.96 : 148,538.07 = 59,240.30 : x
  2. Step 2: Convert to fraction form
    107,639.96/148,538.07 = 59,240.30/x
  3. Step 3: Cross multiply
    107,639.96x = 148,538.07 × 59,240.30
  4. Step 4: Simplify right side
    107,639.96x = 8,799,439,085.53
  5. Step 5: Solve for x
    x = 8,799,439,085.53/107,639.96
  6. Step 6: Final answer
    x = 81,748.82

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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.