Home / 56,202.02-77,557.88-30,707.84

Finding the Fourth Proportional to 56,202.02, 77,557.88 and 30,707.84

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Solution

The fourth proportional to 56,202.02, 77,557.88 and 30,707.84 is: 42,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.02 : 77,557.88 = 30,707.84 : x
  2. Step 2: Convert to fraction form
    56,202.02/77,557.88 = 30,707.84/x
  3. Step 3: Cross multiply
    56,202.02x = 77,557.88 × 30,707.84
  4. Step 4: Simplify right side
    56,202.02x = 2,381,635,240.44
  5. Step 5: Solve for x
    x = 2,381,635,240.44/56,202.02
  6. Step 6: Final answer
    x = 42,376.33

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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.