Home / 91,876.07-126,795.29-51,045.12

Finding the Fourth Proportional to 91,876.07, 126,795.29 and 51,045.12

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Solution

The fourth proportional to 91,876.07, 126,795.29 and 51,045.12 is: 70,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,876.07 : 126,795.29 = 51,045.12 : x
  2. Step 2: Convert to fraction form
    91,876.07/126,795.29 = 51,045.12/x
  3. Step 3: Cross multiply
    91,876.07x = 126,795.29 × 51,045.12
  4. Step 4: Simplify right side
    91,876.07x = 6,472,280,538.26
  5. Step 5: Solve for x
    x = 6,472,280,538.26/91,876.07
  6. Step 6: Final answer
    x = 70,445.77

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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.