Home / 61,330.20-91,995.30-57,701.40

Finding the Fourth Proportional to 61,330.20, 91,995.30 and 57,701.40

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Solution

The fourth proportional to 61,330.20, 91,995.30 and 57,701.40 is: 86,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,330.20 : 91,995.30 = 57,701.40 : x
  2. Step 2: Convert to fraction form
    61,330.20/91,995.30 = 57,701.40/x
  3. Step 3: Cross multiply
    61,330.20x = 91,995.30 × 57,701.40
  4. Step 4: Simplify right side
    61,330.20x = 5,308,257,603.42
  5. Step 5: Solve for x
    x = 5,308,257,603.42/61,330.20
  6. Step 6: Final answer
    x = 86,552.10

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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.