Home / 61,759.05-85,159.85-40,209.06

Finding the Fourth Proportional to 61,759.05, 85,159.85 and 40,209.06

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Solution

The fourth proportional to 61,759.05, 85,159.85 and 40,209.06 is: 55,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.05 : 85,159.85 = 40,209.06 : x
  2. Step 2: Convert to fraction form
    61,759.05/85,159.85 = 40,209.06/x
  3. Step 3: Cross multiply
    61,759.05x = 85,159.85 × 40,209.06
  4. Step 4: Simplify right side
    61,759.05x = 3,424,197,518.24
  5. Step 5: Solve for x
    x = 3,424,197,518.24/61,759.05
  6. Step 6: Final answer
    x = 55,444.47

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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.