Home / 80,013.08-110,420.28-44,205.40

Finding the Fourth Proportional to 80,013.08, 110,420.28 and 44,205.40

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Solution

The fourth proportional to 80,013.08, 110,420.28 and 44,205.40 is: 61,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.08 : 110,420.28 = 44,205.40 : x
  2. Step 2: Convert to fraction form
    80,013.08/110,420.28 = 44,205.40/x
  3. Step 3: Cross multiply
    80,013.08x = 110,420.28 × 44,205.40
  4. Step 4: Simplify right side
    80,013.08x = 4,881,172,645.51
  5. Step 5: Solve for x
    x = 4,881,172,645.51/80,013.08
  6. Step 6: Final answer
    x = 61,004.68

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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.