Home / 56,100.60-77,418.96-30,607.04

Finding the Fourth Proportional to 56,100.60, 77,418.96 and 30,607.04

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Solution

The fourth proportional to 56,100.60, 77,418.96 and 30,607.04 is: 42,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,100.60 : 77,418.96 = 30,607.04 : x
  2. Step 2: Convert to fraction form
    56,100.60/77,418.96 = 30,607.04/x
  3. Step 3: Cross multiply
    56,100.60x = 77,418.96 × 30,607.04
  4. Step 4: Simplify right side
    56,100.60x = 2,369,565,205.48
  5. Step 5: Solve for x
    x = 2,369,565,205.48/56,100.60
  6. Step 6: Final answer
    x = 42,237.79

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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.