Home / 99,329.65-137,077.59-54,010.69

Finding the Fourth Proportional to 99,329.65, 137,077.59 and 54,010.69

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Solution

The fourth proportional to 99,329.65, 137,077.59 and 54,010.69 is: 74,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,329.65 : 137,077.59 = 54,010.69 : x
  2. Step 2: Convert to fraction form
    99,329.65/137,077.59 = 54,010.69/x
  3. Step 3: Cross multiply
    99,329.65x = 137,077.59 × 54,010.69
  4. Step 4: Simplify right side
    99,329.65x = 7,403,655,219.44
  5. Step 5: Solve for x
    x = 7,403,655,219.44/99,329.65
  6. Step 6: Final answer
    x = 74,536.21

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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.