Home / 75,605.65-104,329.02-43,776.70

Finding the Fourth Proportional to 75,605.65, 104,329.02 and 43,776.70

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Solution

The fourth proportional to 75,605.65, 104,329.02 and 43,776.70 is: 60,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.65 : 104,329.02 = 43,776.70 : x
  2. Step 2: Convert to fraction form
    75,605.65/104,329.02 = 43,776.70/x
  3. Step 3: Cross multiply
    75,605.65x = 104,329.02 × 43,776.70
  4. Step 4: Simplify right side
    75,605.65x = 4,567,180,209.83
  5. Step 5: Solve for x
    x = 4,567,180,209.83/75,605.65
  6. Step 6: Final answer
    x = 60,407.92

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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.