Home / 56,055.76-77,357.96-30,562.32

Finding the Fourth Proportional to 56,055.76, 77,357.96 and 30,562.32

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Solution

The fourth proportional to 56,055.76, 77,357.96 and 30,562.32 is: 42,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.76 : 77,357.96 = 30,562.32 : x
  2. Step 2: Convert to fraction form
    56,055.76/77,357.96 = 30,562.32/x
  3. Step 3: Cross multiply
    56,055.76x = 77,357.96 × 30,562.32
  4. Step 4: Simplify right side
    56,055.76x = 2,364,238,728.07
  5. Step 5: Solve for x
    x = 2,364,238,728.07/56,055.76
  6. Step 6: Final answer
    x = 42,176.55

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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.