Home / 91,071.26-136,574.07-38,484.84

Finding the Fourth Proportional to 91,071.26, 136,574.07 and 38,484.84

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Solution

The fourth proportional to 91,071.26, 136,574.07 and 38,484.84 is: 57,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.26 : 136,574.07 = 38,484.84 : x
  2. Step 2: Convert to fraction form
    91,071.26/136,574.07 = 38,484.84/x
  3. Step 3: Cross multiply
    91,071.26x = 136,574.07 × 38,484.84
  4. Step 4: Simplify right side
    91,071.26x = 5,256,031,232.10
  5. Step 5: Solve for x
    x = 5,256,031,232.10/91,071.26
  6. Step 6: Final answer
    x = 57,713.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.