Home / 61,824.16-85,293.18-40,339.18

Finding the Fourth Proportional to 61,824.16, 85,293.18 and 40,339.18

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Solution

The fourth proportional to 61,824.16, 85,293.18 and 40,339.18 is: 55,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,824.16 : 85,293.18 = 40,339.18 : x
  2. Step 2: Convert to fraction form
    61,824.16/85,293.18 = 40,339.18/x
  3. Step 3: Cross multiply
    61,824.16x = 85,293.18 × 40,339.18
  4. Step 4: Simplify right side
    61,824.16x = 3,440,656,940.79
  5. Step 5: Solve for x
    x = 3,440,656,940.79/61,824.16
  6. Step 6: Final answer
    x = 55,652.30

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1.5x scale

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.