Home / 90,291.09-124,560.34-58,470.24

Finding the Fourth Proportional to 90,291.09, 124,560.34 and 58,470.24

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Solution

The fourth proportional to 90,291.09, 124,560.34 and 58,470.24 is: 80,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291.09 : 124,560.34 = 58,470.24 : x
  2. Step 2: Convert to fraction form
    90,291.09/124,560.34 = 58,470.24/x
  3. Step 3: Cross multiply
    90,291.09x = 124,560.34 × 58,470.24
  4. Step 4: Simplify right side
    90,291.09x = 7,283,072,974.28
  5. Step 5: Solve for x
    x = 7,283,072,974.28/90,291.09
  6. Step 6: Final answer
    x = 80,662.14

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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.