Home / 90,252.91-124,550-49,967.34

Finding the Fourth Proportional to 90,252.91, 124,550 and 49,967.34

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Solution

The fourth proportional to 90,252.91, 124,550 and 49,967.34 is: 68,955.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252.91 : 124,550 = 49,967.34 : x
  2. Step 2: Convert to fraction form
    90,252.91/124,550 = 49,967.34/x
  3. Step 3: Cross multiply
    90,252.91x = 124,550 × 49,967.34
  4. Step 4: Simplify right side
    90,252.91x = 6,223,432,197
  5. Step 5: Solve for x
    x = 6,223,432,197/90,252.91
  6. Step 6: Final answer
    x = 68,955.47

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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.