Home / 97,642.28-134,739.98-54,614.32

Finding the Fourth Proportional to 97,642.28, 134,739.98 and 54,614.32

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Solution

The fourth proportional to 97,642.28, 134,739.98 and 54,614.32 is: 75,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,642.28 : 134,739.98 = 54,614.32 : x
  2. Step 2: Convert to fraction form
    97,642.28/134,739.98 = 54,614.32/x
  3. Step 3: Cross multiply
    97,642.28x = 134,739.98 × 54,614.32
  4. Step 4: Simplify right side
    97,642.28x = 7,358,731,979.40
  5. Step 5: Solve for x
    x = 7,358,731,979.40/97,642.28
  6. Step 6: Final answer
    x = 75,364.20

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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.