Home / 115,847.36-159,869.72-64,862.24

Finding the Fourth Proportional to 115,847.36, 159,869.72 and 64,862.24

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Solution

The fourth proportional to 115,847.36, 159,869.72 and 64,862.24 is: 89,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,847.36 : 159,869.72 = 64,862.24 : x
  2. Step 2: Convert to fraction form
    115,847.36/159,869.72 = 64,862.24/x
  3. Step 3: Cross multiply
    115,847.36x = 159,869.72 × 64,862.24
  4. Step 4: Simplify right side
    115,847.36x = 10,369,508,147.37
  5. Step 5: Solve for x
    x = 10,369,508,147.37/115,847.36
  6. Step 6: Final answer
    x = 89,510.09

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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.