Home / 91,429.18-126,250.14-57,494.46

Finding the Fourth Proportional to 91,429.18, 126,250.14 and 57,494.46

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Solution

The fourth proportional to 91,429.18, 126,250.14 and 57,494.46 is: 79,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,429.18 : 126,250.14 = 57,494.46 : x
  2. Step 2: Convert to fraction form
    91,429.18/126,250.14 = 57,494.46/x
  3. Step 3: Cross multiply
    91,429.18x = 126,250.14 × 57,494.46
  4. Step 4: Simplify right side
    91,429.18x = 7,258,683,624.22
  5. Step 5: Solve for x
    x = 7,258,683,624.22/91,429.18
  6. Step 6: Final answer
    x = 79,391.32

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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.