Home / 61,278.25-91,996.08-47,247.19

Finding the Fourth Proportional to 61,278.25, 91,996.08 and 47,247.19

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Solution

The fourth proportional to 61,278.25, 91,996.08 and 47,247.19 is: 70,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.25 : 91,996.08 = 47,247.19 : x
  2. Step 2: Convert to fraction form
    61,278.25/91,996.08 = 47,247.19/x
  3. Step 3: Cross multiply
    61,278.25x = 91,996.08 × 47,247.19
  4. Step 4: Simplify right side
    61,278.25x = 4,346,556,271.02
  5. Step 5: Solve for x
    x = 4,346,556,271.02/61,278.25
  6. Step 6: Final answer
    x = 70,931.47

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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.