Home / 73,641.12-101,624.76-40,107.12

Finding the Fourth Proportional to 73,641.12, 101,624.76 and 40,107.12

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Solution

The fourth proportional to 73,641.12, 101,624.76 and 40,107.12 is: 55,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.12 : 101,624.76 = 40,107.12 : x
  2. Step 2: Convert to fraction form
    73,641.12/101,624.76 = 40,107.12/x
  3. Step 3: Cross multiply
    73,641.12x = 101,624.76 × 40,107.12
  4. Step 4: Simplify right side
    73,641.12x = 4,075,876,444.29
  5. Step 5: Solve for x
    x = 4,075,876,444.29/73,641.12
  6. Step 6: Final answer
    x = 55,347.83

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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.