Home / 91,220.17-125,882.53-50,934.57

Finding the Fourth Proportional to 91,220.17, 125,882.53 and 50,934.57

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Solution

The fourth proportional to 91,220.17, 125,882.53 and 50,934.57 is: 70,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.17 : 125,882.53 = 50,934.57 : x
  2. Step 2: Convert to fraction form
    91,220.17/125,882.53 = 50,934.57/x
  3. Step 3: Cross multiply
    91,220.17x = 125,882.53 × 50,934.57
  4. Step 4: Simplify right side
    91,220.17x = 6,411,772,536.06
  5. Step 5: Solve for x
    x = 6,411,772,536.06/91,220.17
  6. Step 6: Final answer
    x = 70,288.98

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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.