Home / 56,110.08-77,428.64-30,959.52

Finding the Fourth Proportional to 56,110.08, 77,428.64 and 30,959.52

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Solution

The fourth proportional to 56,110.08, 77,428.64 and 30,959.52 is: 42,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.08 : 77,428.64 = 30,959.52 : x
  2. Step 2: Convert to fraction form
    56,110.08/77,428.64 = 30,959.52/x
  3. Step 3: Cross multiply
    56,110.08x = 77,428.64 × 30,959.52
  4. Step 4: Simplify right side
    56,110.08x = 2,397,153,528.65
  5. Step 5: Solve for x
    x = 2,397,153,528.65/56,110.08
  6. Step 6: Final answer
    x = 42,722.33

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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.