Home / 90,244.23-124,533-49,955.15

Finding the Fourth Proportional to 90,244.23, 124,533 and 49,955.15

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Solution

The fourth proportional to 90,244.23, 124,533 and 49,955.15 is: 68,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.23 : 124,533 = 49,955.15 : x
  2. Step 2: Convert to fraction form
    90,244.23/124,533 = 49,955.15/x
  3. Step 3: Cross multiply
    90,244.23x = 124,533 × 49,955.15
  4. Step 4: Simplify right side
    90,244.23x = 6,221,064,072.29
  5. Step 5: Solve for x
    x = 6,221,064,072.29/90,244.23
  6. Step 6: Final answer
    x = 68,935.87

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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.