Home / 73,780.14-101,560.65-55,843.50

Finding the Fourth Proportional to 73,780.14, 101,560.65 and 55,843.50

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Solution

The fourth proportional to 73,780.14, 101,560.65 and 55,843.50 is: 76,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.14 : 101,560.65 = 55,843.50 : x
  2. Step 2: Convert to fraction form
    73,780.14/101,560.65 = 55,843.50/x
  3. Step 3: Cross multiply
    73,780.14x = 101,560.65 × 55,843.50
  4. Step 4: Simplify right side
    73,780.14x = 5,671,502,158.28
  5. Step 5: Solve for x
    x = 5,671,502,158.28/73,780.14
  6. Step 6: Final answer
    x = 76,870.31

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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.