Home / 107,555.11-148,429.65-59,159.08

Finding the Fourth Proportional to 107,555.11, 148,429.65 and 59,159.08

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Solution

The fourth proportional to 107,555.11, 148,429.65 and 59,159.08 is: 81,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.11 : 148,429.65 = 59,159.08 : x
  2. Step 2: Convert to fraction form
    107,555.11/148,429.65 = 59,159.08/x
  3. Step 3: Cross multiply
    107,555.11x = 148,429.65 × 59,159.08
  4. Step 4: Simplify right side
    107,555.11x = 8,780,961,946.11
  5. Step 5: Solve for x
    x = 8,780,961,946.11/107,555.11
  6. Step 6: Final answer
    x = 81,641.52

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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.