Home / 74,292.16-102,465.96-51,630.88

Finding the Fourth Proportional to 74,292.16, 102,465.96 and 51,630.88

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Solution

The fourth proportional to 74,292.16, 102,465.96 and 51,630.88 is: 71,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292.16 : 102,465.96 = 51,630.88 : x
  2. Step 2: Convert to fraction form
    74,292.16/102,465.96 = 51,630.88/x
  3. Step 3: Cross multiply
    74,292.16x = 102,465.96 × 51,630.88
  4. Step 4: Simplify right side
    74,292.16x = 5,290,407,684.84
  5. Step 5: Solve for x
    x = 5,290,407,684.84/74,292.16
  6. Step 6: Final answer
    x = 71,210.85

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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.