Home / 115,558.58-159,468.90-64,572.14

Finding the Fourth Proportional to 115,558.58, 159,468.90 and 64,572.14

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Solution

The fourth proportional to 115,558.58, 159,468.90 and 64,572.14 is: 89,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.58 : 159,468.90 = 64,572.14 : x
  2. Step 2: Convert to fraction form
    115,558.58/159,468.90 = 64,572.14/x
  3. Step 3: Cross multiply
    115,558.58x = 159,468.90 × 64,572.14
  4. Step 4: Simplify right side
    115,558.58x = 10,297,248,136.45
  5. Step 5: Solve for x
    x = 10,297,248,136.45/115,558.58
  6. Step 6: Final answer
    x = 89,108.47

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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.