Home / 91,827.46-126,712.16-51,545.65

Finding the Fourth Proportional to 91,827.46, 126,712.16 and 51,545.65

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Solution

The fourth proportional to 91,827.46, 126,712.16 and 51,545.65 is: 71,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.46 : 126,712.16 = 51,545.65 : x
  2. Step 2: Convert to fraction form
    91,827.46/126,712.16 = 51,545.65/x
  3. Step 3: Cross multiply
    91,827.46x = 126,712.16 × 51,545.65
  4. Step 4: Simplify right side
    91,827.46x = 6,531,461,113.53
  5. Step 5: Solve for x
    x = 6,531,461,113.53/91,827.46
  6. Step 6: Final answer
    x = 71,127.54

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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.