Home / 91,294.01-125,983.38-51,008.06

Finding the Fourth Proportional to 91,294.01, 125,983.38 and 51,008.06

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Solution

The fourth proportional to 91,294.01, 125,983.38 and 51,008.06 is: 70,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,294.01 : 125,983.38 = 51,008.06 : x
  2. Step 2: Convert to fraction form
    91,294.01/125,983.38 = 51,008.06/x
  3. Step 3: Cross multiply
    91,294.01x = 125,983.38 × 51,008.06
  4. Step 4: Simplify right side
    91,294.01x = 6,426,167,806.04
  5. Step 5: Solve for x
    x = 6,426,167,806.04/91,294.01
  6. Step 6: Final answer
    x = 70,389.81

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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.