Home / 73,641.04-101,625.76-40,107.04

Finding the Fourth Proportional to 73,641.04, 101,625.76 and 40,107.04

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Solution

The fourth proportional to 73,641.04, 101,625.76 and 40,107.04 is: 55,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.04 : 101,625.76 = 40,107.04 : x
  2. Step 2: Convert to fraction form
    73,641.04/101,625.76 = 40,107.04/x
  3. Step 3: Cross multiply
    73,641.04x = 101,625.76 × 40,107.04
  4. Step 4: Simplify right side
    73,641.04x = 4,075,908,421.35
  5. Step 5: Solve for x
    x = 4,075,908,421.35/73,641.04
  6. Step 6: Final answer
    x = 55,348.33

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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.