Home / 61,825.16-85,294.56-40,340.18

Finding the Fourth Proportional to 61,825.16, 85,294.56 and 40,340.18

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Solution

The fourth proportional to 61,825.16, 85,294.56 and 40,340.18 is: 55,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,825.16 : 85,294.56 = 40,340.18 : x
  2. Step 2: Convert to fraction form
    61,825.16/85,294.56 = 40,340.18/x
  3. Step 3: Cross multiply
    61,825.16x = 85,294.56 × 40,340.18
  4. Step 4: Simplify right side
    61,825.16x = 3,440,797,903.42
  5. Step 5: Solve for x
    x = 3,440,797,903.42/61,825.16
  6. Step 6: Final answer
    x = 55,653.68

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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.