Home / 104,785.68-144,607.50-57,042.22

Finding the Fourth Proportional to 104,785.68, 144,607.50 and 57,042.22

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Solution

The fourth proportional to 104,785.68, 144,607.50 and 57,042.22 is: 78,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.68 : 144,607.50 = 57,042.22 : x
  2. Step 2: Convert to fraction form
    104,785.68/144,607.50 = 57,042.22/x
  3. Step 3: Cross multiply
    104,785.68x = 144,607.50 × 57,042.22
  4. Step 4: Simplify right side
    104,785.68x = 8,248,732,828.65
  5. Step 5: Solve for x
    x = 8,248,732,828.65/104,785.68
  6. Step 6: Final answer
    x = 78,720.04

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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.