Home / 112,350.43-155,044.79-61,364.62

Finding the Fourth Proportional to 112,350.43, 155,044.79 and 61,364.62

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Solution

The fourth proportional to 112,350.43, 155,044.79 and 61,364.62 is: 84,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,350.43 : 155,044.79 = 61,364.62 : x
  2. Step 2: Convert to fraction form
    112,350.43/155,044.79 = 61,364.62/x
  3. Step 3: Cross multiply
    112,350.43x = 155,044.79 × 61,364.62
  4. Step 4: Simplify right side
    112,350.43x = 9,514,264,621.33
  5. Step 5: Solve for x
    x = 9,514,264,621.33/112,350.43
  6. Step 6: Final answer
    x = 84,683.83

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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.