Home / 61,030.80-91,546.20-43,316.10

Finding the Fourth Proportional to 61,030.80, 91,546.20 and 43,316.10

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Solution

The fourth proportional to 61,030.80, 91,546.20 and 43,316.10 is: 64,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.80 : 91,546.20 = 43,316.10 : x
  2. Step 2: Convert to fraction form
    61,030.80/91,546.20 = 43,316.10/x
  3. Step 3: Cross multiply
    61,030.80x = 91,546.20 × 43,316.10
  4. Step 4: Simplify right side
    61,030.80x = 3,965,424,353.82
  5. Step 5: Solve for x
    x = 3,965,424,353.82/61,030.80
  6. Step 6: Final answer
    x = 64,974.15

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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.