Home / 105,553.31-145,673.95-60,238.10

Finding the Fourth Proportional to 105,553.31, 145,673.95 and 60,238.10

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Solution

The fourth proportional to 105,553.31, 145,673.95 and 60,238.10 is: 83,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.31 : 145,673.95 = 60,238.10 : x
  2. Step 2: Convert to fraction form
    105,553.31/145,673.95 = 60,238.10/x
  3. Step 3: Cross multiply
    105,553.31x = 145,673.95 × 60,238.10
  4. Step 4: Simplify right side
    105,553.31x = 8,775,122,153.05
  5. Step 5: Solve for x
    x = 8,775,122,153.05/105,553.31
  6. Step 6: Final answer
    x = 83,134.51

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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.