Home / 45,752.99-63,130.15-28,747.38

Finding the Fourth Proportional to 45,752.99, 63,130.15 and 28,747.38

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Solution

The fourth proportional to 45,752.99, 63,130.15 and 28,747.38 is: 39,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,752.99 : 63,130.15 = 28,747.38 : x
  2. Step 2: Convert to fraction form
    45,752.99/63,130.15 = 28,747.38/x
  3. Step 3: Cross multiply
    45,752.99x = 63,130.15 × 28,747.38
  4. Step 4: Simplify right side
    45,752.99x = 1,814,826,339.64
  5. Step 5: Solve for x
    x = 1,814,826,339.64/45,752.99
  6. Step 6: Final answer
    x = 39,665.74

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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.