Home / 78,963.07-108,959.49-44,971.63

Finding the Fourth Proportional to 78,963.07, 108,959.49 and 44,971.63

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Solution

The fourth proportional to 78,963.07, 108,959.49 and 44,971.63 is: 62,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,963.07 : 108,959.49 = 44,971.63 : x
  2. Step 2: Convert to fraction form
    78,963.07/108,959.49 = 44,971.63/x
  3. Step 3: Cross multiply
    78,963.07x = 108,959.49 × 44,971.63
  4. Step 4: Simplify right side
    78,963.07x = 4,900,085,869.27
  5. Step 5: Solve for x
    x = 4,900,085,869.27/78,963.07
  6. Step 6: Final answer
    x = 62,055.41

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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.