Home / 57,547.86-86,342.52-20,113.44

Finding the Fourth Proportional to 57,547.86, 86,342.52 and 20,113.44

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Solution

The fourth proportional to 57,547.86, 86,342.52 and 20,113.44 is: 30,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.86 : 86,342.52 = 20,113.44 : x
  2. Step 2: Convert to fraction form
    57,547.86/86,342.52 = 20,113.44/x
  3. Step 3: Cross multiply
    57,547.86x = 86,342.52 × 20,113.44
  4. Step 4: Simplify right side
    57,547.86x = 1,736,645,095.47
  5. Step 5: Solve for x
    x = 1,736,645,095.47/57,547.86
  6. Step 6: Final answer
    x = 30,177.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.