Home / 92,958.60-128,282.51-52,680.04

Finding the Fourth Proportional to 92,958.60, 128,282.51 and 52,680.04

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Solution

The fourth proportional to 92,958.60, 128,282.51 and 52,680.04 is: 72,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,958.60 : 128,282.51 = 52,680.04 : x
  2. Step 2: Convert to fraction form
    92,958.60/128,282.51 = 52,680.04/x
  3. Step 3: Cross multiply
    92,958.60x = 128,282.51 × 52,680.04
  4. Step 4: Simplify right side
    92,958.60x = 6,757,927,758.10
  5. Step 5: Solve for x
    x = 6,757,927,758.10/92,958.60
  6. Step 6: Final answer
    x = 72,698.25

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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.