Home / 107,089.71-147,780.07-59,347.50

Finding the Fourth Proportional to 107,089.71, 147,780.07 and 59,347.50

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Solution

The fourth proportional to 107,089.71, 147,780.07 and 59,347.50 is: 81,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.71 : 147,780.07 = 59,347.50 : x
  2. Step 2: Convert to fraction form
    107,089.71/147,780.07 = 59,347.50/x
  3. Step 3: Cross multiply
    107,089.71x = 147,780.07 × 59,347.50
  4. Step 4: Simplify right side
    107,089.71x = 8,770,377,704.33
  5. Step 5: Solve for x
    x = 8,770,377,704.33/107,089.71
  6. Step 6: Final answer
    x = 81,897.48

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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.