Home / 42,878.97-64,199.61-32,317.02

Finding the Fourth Proportional to 42,878.97, 64,199.61 and 32,317.02

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Solution

The fourth proportional to 42,878.97, 64,199.61 and 32,317.02 is: 48,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,878.97 : 64,199.61 = 32,317.02 : x
  2. Step 2: Convert to fraction form
    42,878.97/64,199.61 = 32,317.02/x
  3. Step 3: Cross multiply
    42,878.97x = 64,199.61 × 32,317.02
  4. Step 4: Simplify right side
    42,878.97x = 2,074,740,080.36
  5. Step 5: Solve for x
    x = 2,074,740,080.36/42,878.97
  6. Step 6: Final answer
    x = 48,385.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.