Home / 90,290.04-124,594.92-50,001.54

Finding the Fourth Proportional to 90,290.04, 124,594.92 and 50,001.54

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Solution

The fourth proportional to 90,290.04, 124,594.92 and 50,001.54 is: 68,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,290.04 : 124,594.92 = 50,001.54 : x
  2. Step 2: Convert to fraction form
    90,290.04/124,594.92 = 50,001.54/x
  3. Step 3: Cross multiply
    90,290.04x = 124,594.92 × 50,001.54
  4. Step 4: Simplify right side
    90,290.04x = 6,229,937,876.18
  5. Step 5: Solve for x
    x = 6,229,937,876.18/90,290.04
  6. Step 6: Final answer
    x = 68,999.17

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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.