Home / 67,299.48-92,868.84-40,426.08

Finding the Fourth Proportional to 67,299.48, 92,868.84 and 40,426.08

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Solution

The fourth proportional to 67,299.48, 92,868.84 and 40,426.08 is: 55,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299.48 : 92,868.84 = 40,426.08 : x
  2. Step 2: Convert to fraction form
    67,299.48/92,868.84 = 40,426.08/x
  3. Step 3: Cross multiply
    67,299.48x = 92,868.84 × 40,426.08
  4. Step 4: Simplify right side
    67,299.48x = 3,754,323,155.35
  5. Step 5: Solve for x
    x = 3,754,323,155.35/67,299.48
  6. Step 6: Final answer
    x = 55,785.32

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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.