Home / 104,937.15-144,809.05-57,189.47

Finding the Fourth Proportional to 104,937.15, 144,809.05 and 57,189.47

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Solution

The fourth proportional to 104,937.15, 144,809.05 and 57,189.47 is: 78,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.15 : 144,809.05 = 57,189.47 : x
  2. Step 2: Convert to fraction form
    104,937.15/144,809.05 = 57,189.47/x
  3. Step 3: Cross multiply
    104,937.15x = 144,809.05 × 57,189.47
  4. Step 4: Simplify right side
    104,937.15x = 8,281,552,534.76
  5. Step 5: Solve for x
    x = 8,281,552,534.76/104,937.15
  6. Step 6: Final answer
    x = 78,919.17

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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.