Home / 91,799.40-126,685.08-51,516.06

Finding the Fourth Proportional to 91,799.40, 126,685.08 and 51,516.06

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Solution

The fourth proportional to 91,799.40, 126,685.08 and 51,516.06 is: 71,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.40 : 126,685.08 = 51,516.06 : x
  2. Step 2: Convert to fraction form
    91,799.40/126,685.08 = 51,516.06/x
  3. Step 3: Cross multiply
    91,799.40x = 126,685.08 × 51,516.06
  4. Step 4: Simplify right side
    91,799.40x = 6,526,316,182.38
  5. Step 5: Solve for x
    x = 6,526,316,182.38/91,799.40
  6. Step 6: Final answer
    x = 71,093.23

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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.