Home / 104,864.37-144,722.89-64,601.70

Finding the Fourth Proportional to 104,864.37, 144,722.89 and 64,601.70

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Solution

The fourth proportional to 104,864.37, 144,722.89 and 64,601.70 is: 89,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,864.37 : 144,722.89 = 64,601.70 : x
  2. Step 2: Convert to fraction form
    104,864.37/144,722.89 = 64,601.70/x
  3. Step 3: Cross multiply
    104,864.37x = 144,722.89 × 64,601.70
  4. Step 4: Simplify right side
    104,864.37x = 9,349,344,260.95
  5. Step 5: Solve for x
    x = 9,349,344,260.95/104,864.37
  6. Step 6: Final answer
    x = 89,156.54

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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.