Home / 45,094.41-67,641.60-28,479.69

Finding the Fourth Proportional to 45,094.41, 67,641.60 and 28,479.69

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Solution

The fourth proportional to 45,094.41, 67,641.60 and 28,479.69 is: 42,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,094.41 : 67,641.60 = 28,479.69 : x
  2. Step 2: Convert to fraction form
    45,094.41/67,641.60 = 28,479.69/x
  3. Step 3: Cross multiply
    45,094.41x = 67,641.60 × 28,479.69
  4. Step 4: Simplify right side
    45,094.41x = 1,926,411,799.10
  5. Step 5: Solve for x
    x = 1,926,411,799.10/45,094.41
  6. Step 6: Final answer
    x = 42,719.53

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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.