Home / 97,789.32-134,903.61-57,502.35

Finding the Fourth Proportional to 97,789.32, 134,903.61 and 57,502.35

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Solution

The fourth proportional to 97,789.32, 134,903.61 and 57,502.35 is: 79,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.32 : 134,903.61 = 57,502.35 : x
  2. Step 2: Convert to fraction form
    97,789.32/134,903.61 = 57,502.35/x
  3. Step 3: Cross multiply
    97,789.32x = 134,903.61 × 57,502.35
  4. Step 4: Simplify right side
    97,789.32x = 7,757,274,598.48
  5. Step 5: Solve for x
    x = 7,757,274,598.48/97,789.32
  6. Step 6: Final answer
    x = 79,326.40

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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.