Home / 106,526.02-147,005.61-58,778.95

Finding the Fourth Proportional to 106,526.02, 147,005.61 and 58,778.95

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Solution

The fourth proportional to 106,526.02, 147,005.61 and 58,778.95 is: 81,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,526.02 : 147,005.61 = 58,778.95 : x
  2. Step 2: Convert to fraction form
    106,526.02/147,005.61 = 58,778.95/x
  3. Step 3: Cross multiply
    106,526.02x = 147,005.61 × 58,778.95
  4. Step 4: Simplify right side
    106,526.02x = 8,640,835,399.91
  5. Step 5: Solve for x
    x = 8,640,835,399.91/106,526.02
  6. Step 6: Final answer
    x = 81,114.79

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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.