Home / 45,187.17-67,697.62-28,317.04

Finding the Fourth Proportional to 45,187.17, 67,697.62 and 28,317.04

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Solution

The fourth proportional to 45,187.17, 67,697.62 and 28,317.04 is: 42,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.17 : 67,697.62 = 28,317.04 : x
  2. Step 2: Convert to fraction form
    45,187.17/67,697.62 = 28,317.04/x
  3. Step 3: Cross multiply
    45,187.17x = 67,697.62 × 28,317.04
  4. Step 4: Simplify right side
    45,187.17x = 1,916,995,973.41
  5. Step 5: Solve for x
    x = 1,916,995,973.41/45,187.17
  6. Step 6: Final answer
    x = 42,423.46

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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.