Home / 115,519.04-159,400.53-64,525.28

Finding the Fourth Proportional to 115,519.04, 159,400.53 and 64,525.28

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Solution

The fourth proportional to 115,519.04, 159,400.53 and 64,525.28 is: 89,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519.04 : 159,400.53 = 64,525.28 : x
  2. Step 2: Convert to fraction form
    115,519.04/159,400.53 = 64,525.28/x
  3. Step 3: Cross multiply
    115,519.04x = 159,400.53 × 64,525.28
  4. Step 4: Simplify right side
    115,519.04x = 10,285,363,830.40
  5. Step 5: Solve for x
    x = 10,285,363,830.40/115,519.04
  6. Step 6: Final answer
    x = 89,036.09

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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.