Home / 104,747.92-144,547.78-57,001.24

Finding the Fourth Proportional to 104,747.92, 144,547.78 and 57,001.24

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Solution

The fourth proportional to 104,747.92, 144,547.78 and 57,001.24 is: 78,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.92 : 144,547.78 = 57,001.24 : x
  2. Step 2: Convert to fraction form
    104,747.92/144,547.78 = 57,001.24/x
  3. Step 3: Cross multiply
    104,747.92x = 144,547.78 × 57,001.24
  4. Step 4: Simplify right side
    104,747.92x = 8,239,402,699.25
  5. Step 5: Solve for x
    x = 8,239,402,699.25/104,747.92
  6. Step 6: Final answer
    x = 78,659.34

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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.