Home / 83,851.61-115,717.05-46,125.86

Finding the Fourth Proportional to 83,851.61, 115,717.05 and 46,125.86

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Solution

The fourth proportional to 83,851.61, 115,717.05 and 46,125.86 is: 63,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.61 : 115,717.05 = 46,125.86 : x
  2. Step 2: Convert to fraction form
    83,851.61/115,717.05 = 46,125.86/x
  3. Step 3: Cross multiply
    83,851.61x = 115,717.05 × 46,125.86
  4. Step 4: Simplify right side
    83,851.61x = 5,337,547,869.33
  5. Step 5: Solve for x
    x = 5,337,547,869.33/83,851.61
  6. Step 6: Final answer
    x = 63,654.69

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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.