Home / 78,417.28-108,212.36-44,425.10

Finding the Fourth Proportional to 78,417.28, 108,212.36 and 44,425.10

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Solution

The fourth proportional to 78,417.28, 108,212.36 and 44,425.10 is: 61,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417.28 : 108,212.36 = 44,425.10 : x
  2. Step 2: Convert to fraction form
    78,417.28/108,212.36 = 44,425.10/x
  3. Step 3: Cross multiply
    78,417.28x = 108,212.36 × 44,425.10
  4. Step 4: Simplify right side
    78,417.28x = 4,807,344,914.24
  5. Step 5: Solve for x
    x = 4,807,344,914.24/78,417.28
  6. Step 6: Final answer
    x = 61,304.66

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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.