Home / 87,409.95-120,522.57-59,827.93

Finding the Fourth Proportional to 87,409.95, 120,522.57 and 59,827.93

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Solution

The fourth proportional to 87,409.95, 120,522.57 and 59,827.93 is: 82,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.95 : 120,522.57 = 59,827.93 : x
  2. Step 2: Convert to fraction form
    87,409.95/120,522.57 = 59,827.93/x
  3. Step 3: Cross multiply
    87,409.95x = 120,522.57 × 59,827.93
  4. Step 4: Simplify right side
    87,409.95x = 7,210,616,033.66
  5. Step 5: Solve for x
    x = 7,210,616,033.66/87,409.95
  6. Step 6: Final answer
    x = 82,491.93

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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.