Home / 91,374.28-126,097.38-53,649.16

Finding the Fourth Proportional to 91,374.28, 126,097.38 and 53,649.16

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Solution

The fourth proportional to 91,374.28, 126,097.38 and 53,649.16 is: 74,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,374.28 : 126,097.38 = 53,649.16 : x
  2. Step 2: Convert to fraction form
    91,374.28/126,097.38 = 53,649.16/x
  3. Step 3: Cross multiply
    91,374.28x = 126,097.38 × 53,649.16
  4. Step 4: Simplify right side
    91,374.28x = 6,765,018,515.20
  5. Step 5: Solve for x
    x = 6,765,018,515.20/91,374.28
  6. Step 6: Final answer
    x = 74,036.35

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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.