Home / 91,045.26-125,642.01-52,812.54

Finding the Fourth Proportional to 91,045.26, 125,642.01 and 52,812.54

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Solution

The fourth proportional to 91,045.26, 125,642.01 and 52,812.54 is: 72,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,045.26 : 125,642.01 = 52,812.54 : x
  2. Step 2: Convert to fraction form
    91,045.26/125,642.01 = 52,812.54/x
  3. Step 3: Cross multiply
    91,045.26x = 125,642.01 × 52,812.54
  4. Step 4: Simplify right side
    91,045.26x = 6,635,473,678.81
  5. Step 5: Solve for x
    x = 6,635,473,678.81/91,045.26
  6. Step 6: Final answer
    x = 72,881.04

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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.