Home / 90,047.46-124,263.76-49,760.34

Finding the Fourth Proportional to 90,047.46, 124,263.76 and 49,760.34

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Solution

The fourth proportional to 90,047.46, 124,263.76 and 49,760.34 is: 68,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,047.46 : 124,263.76 = 49,760.34 : x
  2. Step 2: Convert to fraction form
    90,047.46/124,263.76 = 49,760.34/x
  3. Step 3: Cross multiply
    90,047.46x = 124,263.76 × 49,760.34
  4. Step 4: Simplify right side
    90,047.46x = 6,183,406,947.28
  5. Step 5: Solve for x
    x = 6,183,406,947.28/90,047.46
  6. Step 6: Final answer
    x = 68,668.31

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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.