Home / 91,098.51-125,715.62-50,812.24

Finding the Fourth Proportional to 91,098.51, 125,715.62 and 50,812.24

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Solution

The fourth proportional to 91,098.51, 125,715.62 and 50,812.24 is: 70,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.51 : 125,715.62 = 50,812.24 : x
  2. Step 2: Convert to fraction form
    91,098.51/125,715.62 = 50,812.24/x
  3. Step 3: Cross multiply
    91,098.51x = 125,715.62 × 50,812.24
  4. Step 4: Simplify right side
    91,098.51x = 6,387,892,001.13
  5. Step 5: Solve for x
    x = 6,387,892,001.13/91,098.51
  6. Step 6: Final answer
    x = 70,120.71

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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.