Home / 56,360.84-77,778.06-30,519.68

Finding the Fourth Proportional to 56,360.84, 77,778.06 and 30,519.68

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Solution

The fourth proportional to 56,360.84, 77,778.06 and 30,519.68 is: 42,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.84 : 77,778.06 = 30,519.68 : x
  2. Step 2: Convert to fraction form
    56,360.84/77,778.06 = 30,519.68/x
  3. Step 3: Cross multiply
    56,360.84x = 77,778.06 × 30,519.68
  4. Step 4: Simplify right side
    56,360.84x = 2,373,761,502.22
  5. Step 5: Solve for x
    x = 2,373,761,502.22/56,360.84
  6. Step 6: Final answer
    x = 42,117.21

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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.