Home / 67,280.32-92,846.35-40,437.63

Finding the Fourth Proportional to 67,280.32, 92,846.35 and 40,437.63

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Solution

The fourth proportional to 67,280.32, 92,846.35 and 40,437.63 is: 55,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.32 : 92,846.35 = 40,437.63 : x
  2. Step 2: Convert to fraction form
    67,280.32/92,846.35 = 40,437.63/x
  3. Step 3: Cross multiply
    67,280.32x = 92,846.35 × 40,437.63
  4. Step 4: Simplify right side
    67,280.32x = 3,754,486,398.70
  5. Step 5: Solve for x
    x = 3,754,486,398.70/67,280.32
  6. Step 6: Final answer
    x = 55,803.63

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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.