Home / 78,007.02-107,637.66-44,012.82

Finding the Fourth Proportional to 78,007.02, 107,637.66 and 44,012.82

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Solution

The fourth proportional to 78,007.02, 107,637.66 and 44,012.82 is: 60,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,007.02 : 107,637.66 = 44,012.82 : x
  2. Step 2: Convert to fraction form
    78,007.02/107,637.66 = 44,012.82/x
  3. Step 3: Cross multiply
    78,007.02x = 107,637.66 × 44,012.82
  4. Step 4: Simplify right side
    78,007.02x = 4,737,436,954.80
  5. Step 5: Solve for x
    x = 4,737,436,954.80/78,007.02
  6. Step 6: Final answer
    x = 60,730.91

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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.