Home / 113,923.55-157,213.76-62,939.57

Finding the Fourth Proportional to 113,923.55, 157,213.76 and 62,939.57

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Solution

The fourth proportional to 113,923.55, 157,213.76 and 62,939.57 is: 86,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,923.55 : 157,213.76 = 62,939.57 : x
  2. Step 2: Convert to fraction form
    113,923.55/157,213.76 = 62,939.57/x
  3. Step 3: Cross multiply
    113,923.55x = 157,213.76 × 62,939.57
  4. Step 4: Simplify right side
    113,923.55x = 9,894,966,530.82
  5. Step 5: Solve for x
    x = 9,894,966,530.82/113,923.55
  6. Step 6: Final answer
    x = 86,856.20

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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.