Home / 107,089.83-147,780.25-59,347.62

Finding the Fourth Proportional to 107,089.83, 147,780.25 and 59,347.62

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Solution

The fourth proportional to 107,089.83, 147,780.25 and 59,347.62 is: 81,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.83 : 147,780.25 = 59,347.62 : x
  2. Step 2: Convert to fraction form
    107,089.83/147,780.25 = 59,347.62/x
  3. Step 3: Cross multiply
    107,089.83x = 147,780.25 × 59,347.62
  4. Step 4: Simplify right side
    107,089.83x = 8,770,405,972.14
  5. Step 5: Solve for x
    x = 8,770,405,972.14/107,089.83
  6. Step 6: Final answer
    x = 81,897.66

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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.