Home / 107,018.52-147,679.84-58,617.95

Finding the Fourth Proportional to 107,018.52, 147,679.84 and 58,617.95

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Solution

The fourth proportional to 107,018.52, 147,679.84 and 58,617.95 is: 80,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,018.52 : 147,679.84 = 58,617.95 : x
  2. Step 2: Convert to fraction form
    107,018.52/147,679.84 = 58,617.95/x
  3. Step 3: Cross multiply
    107,018.52x = 147,679.84 × 58,617.95
  4. Step 4: Simplify right side
    107,018.52x = 8,656,688,812.00
  5. Step 5: Solve for x
    x = 8,656,688,812.00/107,018.52
  6. Step 6: Final answer
    x = 80,889.64

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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.