Home / 78,861.61-108,827.58-44,869.35

Finding the Fourth Proportional to 78,861.61, 108,827.58 and 44,869.35

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Solution

The fourth proportional to 78,861.61, 108,827.58 and 44,869.35 is: 61,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,861.61 : 108,827.58 = 44,869.35 : x
  2. Step 2: Convert to fraction form
    78,861.61/108,827.58 = 44,869.35/x
  3. Step 3: Cross multiply
    78,861.61x = 108,827.58 × 44,869.35
  4. Step 4: Simplify right side
    78,861.61x = 4,883,023,353.04
  5. Step 5: Solve for x
    x = 4,883,023,353.04/78,861.61
  6. Step 6: Final answer
    x = 61,918.89

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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.