Home / 78,484.55-108,282.32-44,490.36

Finding the Fourth Proportional to 78,484.55, 108,282.32 and 44,490.36

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Solution

The fourth proportional to 78,484.55, 108,282.32 and 44,490.36 is: 61,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,484.55 : 108,282.32 = 44,490.36 : x
  2. Step 2: Convert to fraction form
    78,484.55/108,282.32 = 44,490.36/x
  3. Step 3: Cross multiply
    78,484.55x = 108,282.32 × 44,490.36
  4. Step 4: Simplify right side
    78,484.55x = 4,817,519,748.88
  5. Step 5: Solve for x
    x = 4,817,519,748.88/78,484.55
  6. Step 6: Final answer
    x = 61,381.76

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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.