Home / 115,501.14-159,389.87-64,514.58

Finding the Fourth Proportional to 115,501.14, 159,389.87 and 64,514.58

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Solution

The fourth proportional to 115,501.14, 159,389.87 and 64,514.58 is: 89,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.14 : 159,389.87 = 64,514.58 : x
  2. Step 2: Convert to fraction form
    115,501.14/159,389.87 = 64,514.58/x
  3. Step 3: Cross multiply
    115,501.14x = 159,389.87 × 64,514.58
  4. Step 4: Simplify right side
    115,501.14x = 10,282,970,519.30
  5. Step 5: Solve for x
    x = 10,282,970,519.30/115,501.14
  6. Step 6: Final answer
    x = 89,029.17

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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.