Home / 78,005.03-107,646.27-44,013.77

Finding the Fourth Proportional to 78,005.03, 107,646.27 and 44,013.77

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Solution

The fourth proportional to 78,005.03, 107,646.27 and 44,013.77 is: 60,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,005.03 : 107,646.27 = 44,013.77 : x
  2. Step 2: Convert to fraction form
    78,005.03/107,646.27 = 44,013.77/x
  3. Step 3: Cross multiply
    78,005.03x = 107,646.27 × 44,013.77
  4. Step 4: Simplify right side
    78,005.03x = 4,737,918,169.14
  5. Step 5: Solve for x
    x = 4,737,918,169.14/78,005.03
  6. Step 6: Final answer
    x = 60,738.62

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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.