Home / 99,156.95-136,836.63-53,834.88

Finding the Fourth Proportional to 99,156.95, 136,836.63 and 53,834.88

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Solution

The fourth proportional to 99,156.95, 136,836.63 and 53,834.88 is: 74,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156.95 : 136,836.63 = 53,834.88 : x
  2. Step 2: Convert to fraction form
    99,156.95/136,836.63 = 53,834.88/x
  3. Step 3: Cross multiply
    99,156.95x = 136,836.63 × 53,834.88
  4. Step 4: Simplify right side
    99,156.95x = 7,366,583,555.65
  5. Step 5: Solve for x
    x = 7,366,583,555.65/99,156.95
  6. Step 6: Final answer
    x = 74,292.16

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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.