Home / 91,266.88-125,901.12-57,752.32

Finding the Fourth Proportional to 91,266.88, 125,901.12 and 57,752.32

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Solution

The fourth proportional to 91,266.88, 125,901.12 and 57,752.32 is: 79,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,266.88 : 125,901.12 = 57,752.32 : x
  2. Step 2: Convert to fraction form
    91,266.88/125,901.12 = 57,752.32/x
  3. Step 3: Cross multiply
    91,266.88x = 125,901.12 × 57,752.32
  4. Step 4: Simplify right side
    91,266.88x = 7,271,081,770.60
  5. Step 5: Solve for x
    x = 7,271,081,770.60/91,266.88
  6. Step 6: Final answer
    x = 79,668.35

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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.