Home / 103,689.23-155,404.44-44,456.16

Finding the Fourth Proportional to 103,689.23, 155,404.44 and 44,456.16

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Solution

The fourth proportional to 103,689.23, 155,404.44 and 44,456.16 is: 66,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,689.23 : 155,404.44 = 44,456.16 : x
  2. Step 2: Convert to fraction form
    103,689.23/155,404.44 = 44,456.16/x
  3. Step 3: Cross multiply
    103,689.23x = 155,404.44 × 44,456.16
  4. Step 4: Simplify right side
    103,689.23x = 6,908,684,649.35
  5. Step 5: Solve for x
    x = 6,908,684,649.35/103,689.23
  6. Step 6: Final answer
    x = 66,628.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.