Home / 75,294.93-112,886.23-45,302.15

Finding the Fourth Proportional to 75,294.93, 112,886.23 and 45,302.15

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Solution

The fourth proportional to 75,294.93, 112,886.23 and 45,302.15 is: 67,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,294.93 : 112,886.23 = 45,302.15 : x
  2. Step 2: Convert to fraction form
    75,294.93/112,886.23 = 45,302.15/x
  3. Step 3: Cross multiply
    75,294.93x = 112,886.23 × 45,302.15
  4. Step 4: Simplify right side
    75,294.93x = 5,113,988,924.39
  5. Step 5: Solve for x
    x = 5,113,988,924.39/75,294.93
  6. Step 6: Final answer
    x = 67,919.43

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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.