Home / 78,526.72-108,369.70-44,999.20

Finding the Fourth Proportional to 78,526.72, 108,369.70 and 44,999.20

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Solution

The fourth proportional to 78,526.72, 108,369.70 and 44,999.20 is: 62,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,526.72 : 108,369.70 = 44,999.20 : x
  2. Step 2: Convert to fraction form
    78,526.72/108,369.70 = 44,999.20/x
  3. Step 3: Cross multiply
    78,526.72x = 108,369.70 × 44,999.20
  4. Step 4: Simplify right side
    78,526.72x = 4,876,549,804.24
  5. Step 5: Solve for x
    x = 4,876,549,804.24/78,526.72
  6. Step 6: Final answer
    x = 62,100.52

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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.