Home / 56,059.13-77,362.20-30,565.28

Finding the Fourth Proportional to 56,059.13, 77,362.20 and 30,565.28

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Solution

The fourth proportional to 56,059.13, 77,362.20 and 30,565.28 is: 42,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,059.13 : 77,362.20 = 30,565.28 : x
  2. Step 2: Convert to fraction form
    56,059.13/77,362.20 = 30,565.28/x
  3. Step 3: Cross multiply
    56,059.13x = 77,362.20 × 30,565.28
  4. Step 4: Simplify right side
    56,059.13x = 2,364,597,304.42
  5. Step 5: Solve for x
    x = 2,364,597,304.42/56,059.13
  6. Step 6: Final answer
    x = 42,180.41

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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.