Home / 79,501.08-109,718.23-54,063.88

Finding the Fourth Proportional to 79,501.08, 109,718.23 and 54,063.88

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Solution

The fourth proportional to 79,501.08, 109,718.23 and 54,063.88 is: 74,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.08 : 109,718.23 = 54,063.88 : x
  2. Step 2: Convert to fraction form
    79,501.08/109,718.23 = 54,063.88/x
  3. Step 3: Cross multiply
    79,501.08x = 109,718.23 × 54,063.88
  4. Step 4: Simplify right side
    79,501.08x = 5,931,793,220.53
  5. Step 5: Solve for x
    x = 5,931,793,220.53/79,501.08
  6. Step 6: Final answer
    x = 74,612.74

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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.