Home / 67,063.40-92,555.54-40,220.68

Finding the Fourth Proportional to 67,063.40, 92,555.54 and 40,220.68

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Solution

The fourth proportional to 67,063.40, 92,555.54 and 40,220.68 is: 55,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.40 : 92,555.54 = 40,220.68 : x
  2. Step 2: Convert to fraction form
    67,063.40/92,555.54 = 40,220.68/x
  3. Step 3: Cross multiply
    67,063.40x = 92,555.54 × 40,220.68
  4. Step 4: Simplify right side
    67,063.40x = 3,722,646,444.69
  5. Step 5: Solve for x
    x = 3,722,646,444.69/67,063.40
  6. Step 6: Final answer
    x = 55,509.36

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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.