Home / 107,079.55-147,767.57-59,332.48

Finding the Fourth Proportional to 107,079.55, 147,767.57 and 59,332.48

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Solution

The fourth proportional to 107,079.55, 147,767.57 and 59,332.48 is: 81,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.55 : 147,767.57 = 59,332.48 : x
  2. Step 2: Convert to fraction form
    107,079.55/147,767.57 = 59,332.48/x
  3. Step 3: Cross multiply
    107,079.55x = 147,767.57 × 59,332.48
  4. Step 4: Simplify right side
    107,079.55x = 8,767,416,391.67
  5. Step 5: Solve for x
    x = 8,767,416,391.67/107,079.55
  6. Step 6: Final answer
    x = 81,877.60

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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.