Home / 78,476.42-108,301.16-44,485.57

Finding the Fourth Proportional to 78,476.42, 108,301.16 and 44,485.57

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Solution

The fourth proportional to 78,476.42, 108,301.16 and 44,485.57 is: 61,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,476.42 : 108,301.16 = 44,485.57 : x
  2. Step 2: Convert to fraction form
    78,476.42/108,301.16 = 44,485.57/x
  3. Step 3: Cross multiply
    78,476.42x = 108,301.16 × 44,485.57
  4. Step 4: Simplify right side
    78,476.42x = 4,817,838,592.68
  5. Step 5: Solve for x
    x = 4,817,838,592.68/78,476.42
  6. Step 6: Final answer
    x = 61,392.18

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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.