Home / 91,886.28-126,816.69-56,097.05

Finding the Fourth Proportional to 91,886.28, 126,816.69 and 56,097.05

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Solution

The fourth proportional to 91,886.28, 126,816.69 and 56,097.05 is: 77,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,886.28 : 126,816.69 = 56,097.05 : x
  2. Step 2: Convert to fraction form
    91,886.28/126,816.69 = 56,097.05/x
  3. Step 3: Cross multiply
    91,886.28x = 126,816.69 × 56,097.05
  4. Step 4: Simplify right side
    91,886.28x = 7,114,041,565.68
  5. Step 5: Solve for x
    x = 7,114,041,565.68/91,886.28
  6. Step 6: Final answer
    x = 77,422.24

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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.