Home / 103,084.92-154,686.84-55,700.13

Finding the Fourth Proportional to 103,084.92, 154,686.84 and 55,700.13

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Solution

The fourth proportional to 103,084.92, 154,686.84 and 55,700.13 is: 83,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,084.92 : 154,686.84 = 55,700.13 : x
  2. Step 2: Convert to fraction form
    103,084.92/154,686.84 = 55,700.13/x
  3. Step 3: Cross multiply
    103,084.92x = 154,686.84 × 55,700.13
  4. Step 4: Simplify right side
    103,084.92x = 8,616,077,097.29
  5. Step 5: Solve for x
    x = 8,616,077,097.29/103,084.92
  6. Step 6: Final answer
    x = 83,582.32

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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.