Home / 105,098.10-157,537.80-57,640.20

Finding the Fourth Proportional to 105,098.10, 157,537.80 and 57,640.20

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Solution

The fourth proportional to 105,098.10, 157,537.80 and 57,640.20 is: 86,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,098.10 : 157,537.80 = 57,640.20 : x
  2. Step 2: Convert to fraction form
    105,098.10/157,537.80 = 57,640.20/x
  3. Step 3: Cross multiply
    105,098.10x = 157,537.80 × 57,640.20
  4. Step 4: Simplify right side
    105,098.10x = 9,080,510,299.56
  5. Step 5: Solve for x
    x = 9,080,510,299.56/105,098.10
  6. Step 6: Final answer
    x = 86,400.33

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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.