Home / 56,315.35-77,707.49-33,649.55

Finding the Fourth Proportional to 56,315.35, 77,707.49 and 33,649.55

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Solution

The fourth proportional to 56,315.35, 77,707.49 and 33,649.55 is: 46,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.35 : 77,707.49 = 33,649.55 : x
  2. Step 2: Convert to fraction form
    56,315.35/77,707.49 = 33,649.55/x
  3. Step 3: Cross multiply
    56,315.35x = 77,707.49 × 33,649.55
  4. Step 4: Simplify right side
    56,315.35x = 2,614,822,070.13
  5. Step 5: Solve for x
    x = 2,614,822,070.13/56,315.35
  6. Step 6: Final answer
    x = 46,431.78

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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.