Home / 112,349.16-154,993.68-64,592.37

Finding the Fourth Proportional to 112,349.16, 154,993.68 and 64,592.37

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Solution

The fourth proportional to 112,349.16, 154,993.68 and 64,592.37 is: 89,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,349.16 : 154,993.68 = 64,592.37 : x
  2. Step 2: Convert to fraction form
    112,349.16/154,993.68 = 64,592.37/x
  3. Step 3: Cross multiply
    112,349.16x = 154,993.68 × 64,592.37
  4. Step 4: Simplify right side
    112,349.16x = 10,011,409,126.22
  5. Step 5: Solve for x
    x = 10,011,409,126.22/112,349.16
  6. Step 6: Final answer
    x = 89,109.78

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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.