Home / 104,746.92-144,549.33-57,000.15

Finding the Fourth Proportional to 104,746.92, 144,549.33 and 57,000.15

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Solution

The fourth proportional to 104,746.92, 144,549.33 and 57,000.15 is: 78,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,746.92 : 144,549.33 = 57,000.15 : x
  2. Step 2: Convert to fraction form
    104,746.92/144,549.33 = 57,000.15/x
  3. Step 3: Cross multiply
    104,746.92x = 144,549.33 × 57,000.15
  4. Step 4: Simplify right side
    104,746.92x = 8,239,333,492.40
  5. Step 5: Solve for x
    x = 8,239,333,492.40/104,746.92
  6. Step 6: Final answer
    x = 78,659.43

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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.