Home / 124,964.64-187,427.69-40,724.58

Finding the Fourth Proportional to 124,964.64, 187,427.69 and 40,724.58

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Solution

The fourth proportional to 124,964.64, 187,427.69 and 40,724.58 is: 61,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,964.64 : 187,427.69 = 40,724.58 : x
  2. Step 2: Convert to fraction form
    124,964.64/187,427.69 = 40,724.58/x
  3. Step 3: Cross multiply
    124,964.64x = 187,427.69 × 40,724.58
  4. Step 4: Simplify right side
    124,964.64x = 7,632,913,752.00
  5. Step 5: Solve for x
    x = 7,632,913,752.00/124,964.64
  6. Step 6: Final answer
    x = 61,080.59

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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.