Home / 91,512.12-126,365.52-57,577.16

Finding the Fourth Proportional to 91,512.12, 126,365.52 and 57,577.16

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Solution

The fourth proportional to 91,512.12, 126,365.52 and 57,577.16 is: 79,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,512.12 : 126,365.52 = 57,577.16 : x
  2. Step 2: Convert to fraction form
    91,512.12/126,365.52 = 57,577.16/x
  3. Step 3: Cross multiply
    91,512.12x = 126,365.52 × 57,577.16
  4. Step 4: Simplify right side
    91,512.12x = 7,275,767,763.52
  5. Step 5: Solve for x
    x = 7,275,767,763.52/91,512.12
  6. Step 6: Final answer
    x = 79,506.06

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1.5x scale

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.