Home / 79,307.24-118,971.86-26,731.76

Finding the Fourth Proportional to 79,307.24, 118,971.86 and 26,731.76

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Solution

The fourth proportional to 79,307.24, 118,971.86 and 26,731.76 is: 40,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,307.24 : 118,971.86 = 26,731.76 : x
  2. Step 2: Convert to fraction form
    79,307.24/118,971.86 = 26,731.76/x
  3. Step 3: Cross multiply
    79,307.24x = 118,971.86 × 26,731.76
  4. Step 4: Simplify right side
    79,307.24x = 3,180,326,479.76
  5. Step 5: Solve for x
    x = 3,180,326,479.76/79,307.24
  6. Step 6: Final answer
    x = 40,101.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.