Home / 61,756.06-85,155.68-40,206.04

Finding the Fourth Proportional to 61,756.06, 85,155.68 and 40,206.04

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Solution

The fourth proportional to 61,756.06, 85,155.68 and 40,206.04 is: 55,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,756.06 : 85,155.68 = 40,206.04 : x
  2. Step 2: Convert to fraction form
    61,756.06/85,155.68 = 40,206.04/x
  3. Step 3: Cross multiply
    61,756.06x = 85,155.68 × 40,206.04
  4. Step 4: Simplify right side
    61,756.06x = 3,423,772,676.31
  5. Step 5: Solve for x
    x = 3,423,772,676.31/61,756.06
  6. Step 6: Final answer
    x = 55,440.27

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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.