Home / 90,527.66-124,943.11-50,254.32

Finding the Fourth Proportional to 90,527.66, 124,943.11 and 50,254.32

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Solution

The fourth proportional to 90,527.66, 124,943.11 and 50,254.32 is: 69,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.66 : 124,943.11 = 50,254.32 : x
  2. Step 2: Convert to fraction form
    90,527.66/124,943.11 = 50,254.32/x
  3. Step 3: Cross multiply
    90,527.66x = 124,943.11 × 50,254.32
  4. Step 4: Simplify right side
    90,527.66x = 6,278,931,031.74
  5. Step 5: Solve for x
    x = 6,278,931,031.74/90,527.66
  6. Step 6: Final answer
    x = 69,359.25

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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.