Home / 91,504.11-126,354.48-57,569.16

Finding the Fourth Proportional to 91,504.11, 126,354.48 and 57,569.16

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Solution

The fourth proportional to 91,504.11, 126,354.48 and 57,569.16 is: 79,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.11 : 126,354.48 = 57,569.16 : x
  2. Step 2: Convert to fraction form
    91,504.11/126,354.48 = 57,569.16/x
  3. Step 3: Cross multiply
    91,504.11x = 126,354.48 × 57,569.16
  4. Step 4: Simplify right side
    91,504.11x = 7,274,121,857.61
  5. Step 5: Solve for x
    x = 7,274,121,857.61/91,504.11
  6. Step 6: Final answer
    x = 79,495.03

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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.