Home / 58,479.17-87,295.70-51,385.28

Finding the Fourth Proportional to 58,479.17, 87,295.70 and 51,385.28

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Solution

The fourth proportional to 58,479.17, 87,295.70 and 51,385.28 is: 76,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,479.17 : 87,295.70 = 51,385.28 : x
  2. Step 2: Convert to fraction form
    58,479.17/87,295.70 = 51,385.28/x
  3. Step 3: Cross multiply
    58,479.17x = 87,295.70 × 51,385.28
  4. Step 4: Simplify right side
    58,479.17x = 4,485,713,679.28
  5. Step 5: Solve for x
    x = 4,485,713,679.28/58,479.17
  6. Step 6: Final answer
    x = 76,706.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.