Home / 78,145.32-107,848.26-44,616.36

Finding the Fourth Proportional to 78,145.32, 107,848.26 and 44,616.36

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Solution

The fourth proportional to 78,145.32, 107,848.26 and 44,616.36 is: 61,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,145.32 : 107,848.26 = 44,616.36 : x
  2. Step 2: Convert to fraction form
    78,145.32/107,848.26 = 44,616.36/x
  3. Step 3: Cross multiply
    78,145.32x = 107,848.26 × 44,616.36
  4. Step 4: Simplify right side
    78,145.32x = 4,811,796,793.53
  5. Step 5: Solve for x
    x = 4,811,796,793.53/78,145.32
  6. Step 6: Final answer
    x = 61,574.98

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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.