Home / 56,363.76-77,782.10-30,522.24

Finding the Fourth Proportional to 56,363.76, 77,782.10 and 30,522.24

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Solution

The fourth proportional to 56,363.76, 77,782.10 and 30,522.24 is: 42,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.76 : 77,782.10 = 30,522.24 : x
  2. Step 2: Convert to fraction form
    56,363.76/77,782.10 = 30,522.24/x
  3. Step 3: Cross multiply
    56,363.76x = 77,782.10 × 30,522.24
  4. Step 4: Simplify right side
    56,363.76x = 2,374,083,771.29
  5. Step 5: Solve for x
    x = 2,374,083,771.29/56,363.76
  6. Step 6: Final answer
    x = 42,120.75

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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.