Home / 91,518.12-126,373.82-57,583.16

Finding the Fourth Proportional to 91,518.12, 126,373.82 and 57,583.16

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Solution

The fourth proportional to 91,518.12, 126,373.82 and 57,583.16 is: 79,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,518.12 : 126,373.82 = 57,583.16 : x
  2. Step 2: Convert to fraction form
    91,518.12/126,373.82 = 57,583.16/x
  3. Step 3: Cross multiply
    91,518.12x = 126,373.82 × 57,583.16
  4. Step 4: Simplify right side
    91,518.12x = 7,277,003,896.87
  5. Step 5: Solve for x
    x = 7,277,003,896.87/91,518.12
  6. Step 6: Final answer
    x = 79,514.35

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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.