Home / 91,549.71-126,332.24-61,330.14

Finding the Fourth Proportional to 91,549.71, 126,332.24 and 61,330.14

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Solution

The fourth proportional to 91,549.71, 126,332.24 and 61,330.14 is: 84,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,549.71 : 126,332.24 = 61,330.14 : x
  2. Step 2: Convert to fraction form
    91,549.71/126,332.24 = 61,330.14/x
  3. Step 3: Cross multiply
    91,549.71x = 126,332.24 × 61,330.14
  4. Step 4: Simplify right side
    91,549.71x = 7,747,973,659.06
  5. Step 5: Solve for x
    x = 7,747,973,659.06/91,549.71
  6. Step 6: Final answer
    x = 84,631.33

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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.