Home / 107,079.42-147,767.40-59,332.35

Finding the Fourth Proportional to 107,079.42, 147,767.40 and 59,332.35

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Solution

The fourth proportional to 107,079.42, 147,767.40 and 59,332.35 is: 81,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.42 : 147,767.40 = 59,332.35 : x
  2. Step 2: Convert to fraction form
    107,079.42/147,767.40 = 59,332.35/x
  3. Step 3: Cross multiply
    107,079.42x = 147,767.40 × 59,332.35
  4. Step 4: Simplify right side
    107,079.42x = 8,767,386,798.73
  5. Step 5: Solve for x
    x = 8,767,386,798.73/107,079.42
  6. Step 6: Final answer
    x = 81,877.42

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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.