Home / 74,275.52-102,502.60-40,744.64

Finding the Fourth Proportional to 74,275.52, 102,502.60 and 40,744.64

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Solution

The fourth proportional to 74,275.52, 102,502.60 and 40,744.64 is: 56,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275.52 : 102,502.60 = 40,744.64 : x
  2. Step 2: Convert to fraction form
    74,275.52/102,502.60 = 40,744.64/x
  3. Step 3: Cross multiply
    74,275.52x = 102,502.60 × 40,744.64
  4. Step 4: Simplify right side
    74,275.52x = 4,176,431,536.06
  5. Step 5: Solve for x
    x = 4,176,431,536.06/74,275.52
  6. Step 6: Final answer
    x = 56,228.91

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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.