Home / 90,254.19-124,549.29-49,967.09

Finding the Fourth Proportional to 90,254.19, 124,549.29 and 49,967.09

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Solution

The fourth proportional to 90,254.19, 124,549.29 and 49,967.09 is: 68,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.19 : 124,549.29 = 49,967.09 : x
  2. Step 2: Convert to fraction form
    90,254.19/124,549.29 = 49,967.09/x
  3. Step 3: Cross multiply
    90,254.19x = 124,549.29 × 49,967.09
  4. Step 4: Simplify right side
    90,254.19x = 6,223,364,960.12
  5. Step 5: Solve for x
    x = 6,223,364,960.12/90,254.19
  6. Step 6: Final answer
    x = 68,953.75

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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.