Home / 125,084.12-187,655.84-40,844.32

Finding the Fourth Proportional to 125,084.12, 187,655.84 and 40,844.32

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Solution

The fourth proportional to 125,084.12, 187,655.84 and 40,844.32 is: 61,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,084.12 : 187,655.84 = 40,844.32 : x
  2. Step 2: Convert to fraction form
    125,084.12/187,655.84 = 40,844.32/x
  3. Step 3: Cross multiply
    125,084.12x = 187,655.84 × 40,844.32
  4. Step 4: Simplify right side
    125,084.12x = 7,664,674,658.63
  5. Step 5: Solve for x
    x = 7,664,674,658.63/125,084.12
  6. Step 6: Final answer
    x = 61,276.16

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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.