Home / 42,862.29-64,297.68-14,778.69

Finding the Fourth Proportional to 42,862.29, 64,297.68 and 14,778.69

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Solution

The fourth proportional to 42,862.29, 64,297.68 and 14,778.69 is: 22,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,862.29 : 64,297.68 = 14,778.69 : x
  2. Step 2: Convert to fraction form
    42,862.29/64,297.68 = 14,778.69/x
  3. Step 3: Cross multiply
    42,862.29x = 64,297.68 × 14,778.69
  4. Step 4: Simplify right side
    42,862.29x = 950,235,480.44
  5. Step 5: Solve for x
    x = 950,235,480.44/42,862.29
  6. Step 6: Final answer
    x = 22,169.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.