Home / 113,029.24-155,980.78-62,728.24

Finding the Fourth Proportional to 113,029.24, 155,980.78 and 62,728.24

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Solution

The fourth proportional to 113,029.24, 155,980.78 and 62,728.24 is: 86,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,029.24 : 155,980.78 = 62,728.24 : x
  2. Step 2: Convert to fraction form
    113,029.24/155,980.78 = 62,728.24/x
  3. Step 3: Cross multiply
    113,029.24x = 155,980.78 × 62,728.24
  4. Step 4: Simplify right side
    113,029.24x = 9,784,399,803.23
  5. Step 5: Solve for x
    x = 9,784,399,803.23/113,029.24
  6. Step 6: Final answer
    x = 86,565.21

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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.