Home / 100,010.93-137,950.04-64,144.13

Finding the Fourth Proportional to 100,010.93, 137,950.04 and 64,144.13

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Solution

The fourth proportional to 100,010.93, 137,950.04 and 64,144.13 is: 88,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010.93 : 137,950.04 = 64,144.13 : x
  2. Step 2: Convert to fraction form
    100,010.93/137,950.04 = 64,144.13/x
  3. Step 3: Cross multiply
    100,010.93x = 137,950.04 × 64,144.13
  4. Step 4: Simplify right side
    100,010.93x = 8,848,684,609.52
  5. Step 5: Solve for x
    x = 8,848,684,609.52/100,010.93
  6. Step 6: Final answer
    x = 88,477.18

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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.