Home / 67,015.71-92,475.32-40,153.23

Finding the Fourth Proportional to 67,015.71, 92,475.32 and 40,153.23

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Solution

The fourth proportional to 67,015.71, 92,475.32 and 40,153.23 is: 55,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.71 : 92,475.32 = 40,153.23 : x
  2. Step 2: Convert to fraction form
    67,015.71/92,475.32 = 40,153.23/x
  3. Step 3: Cross multiply
    67,015.71x = 92,475.32 × 40,153.23
  4. Step 4: Simplify right side
    67,015.71x = 3,713,182,592.52
  5. Step 5: Solve for x
    x = 3,713,182,592.52/67,015.71
  6. Step 6: Final answer
    x = 55,407.64

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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.