Home / 113,307.04-169,960.50-53,962.78

Finding the Fourth Proportional to 113,307.04, 169,960.50 and 53,962.78

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Solution

The fourth proportional to 113,307.04, 169,960.50 and 53,962.78 is: 80,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,307.04 : 169,960.50 = 53,962.78 : x
  2. Step 2: Convert to fraction form
    113,307.04/169,960.50 = 53,962.78/x
  3. Step 3: Cross multiply
    113,307.04x = 169,960.50 × 53,962.78
  4. Step 4: Simplify right side
    113,307.04x = 9,171,541,070.19
  5. Step 5: Solve for x
    x = 9,171,541,070.19/113,307.04
  6. Step 6: Final answer
    x = 80,944.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.