Home / 79,985.19-110,329.52-47,697.18

Finding the Fourth Proportional to 79,985.19, 110,329.52 and 47,697.18

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Solution

The fourth proportional to 79,985.19, 110,329.52 and 47,697.18 is: 65,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.19 : 110,329.52 = 47,697.18 : x
  2. Step 2: Convert to fraction form
    79,985.19/110,329.52 = 47,697.18/x
  3. Step 3: Cross multiply
    79,985.19x = 110,329.52 × 47,697.18
  4. Step 4: Simplify right side
    79,985.19x = 5,262,406,974.75
  5. Step 5: Solve for x
    x = 5,262,406,974.75/79,985.19
  6. Step 6: Final answer
    x = 65,792.27

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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.