Home / 78,703.07-108,613.17-44,717.32

Finding the Fourth Proportional to 78,703.07, 108,613.17 and 44,717.32

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Solution

The fourth proportional to 78,703.07, 108,613.17 and 44,717.32 is: 61,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,703.07 : 108,613.17 = 44,717.32 : x
  2. Step 2: Convert to fraction form
    78,703.07/108,613.17 = 44,717.32/x
  3. Step 3: Cross multiply
    78,703.07x = 108,613.17 × 44,717.32
  4. Step 4: Simplify right side
    78,703.07x = 4,856,889,583.63
  5. Step 5: Solve for x
    x = 4,856,889,583.63/78,703.07
  6. Step 6: Final answer
    x = 61,711.56

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1.5x scale

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.