Home / 90,220.92-124,518.08-51,973.04

Finding the Fourth Proportional to 90,220.92, 124,518.08 and 51,973.04

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Solution

The fourth proportional to 90,220.92, 124,518.08 and 51,973.04 is: 71,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.92 : 124,518.08 = 51,973.04 : x
  2. Step 2: Convert to fraction form
    90,220.92/124,518.08 = 51,973.04/x
  3. Step 3: Cross multiply
    90,220.92x = 124,518.08 × 51,973.04
  4. Step 4: Simplify right side
    90,220.92x = 6,471,583,152.56
  5. Step 5: Solve for x
    x = 6,471,583,152.56/90,220.92
  6. Step 6: Final answer
    x = 71,730.41

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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.