Home / 58,875.12-81,206.50-38,725.56

Finding the Fourth Proportional to 58,875.12, 81,206.50 and 38,725.56

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Solution

The fourth proportional to 58,875.12, 81,206.50 and 38,725.56 is: 53,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,875.12 : 81,206.50 = 38,725.56 : x
  2. Step 2: Convert to fraction form
    58,875.12/81,206.50 = 38,725.56/x
  3. Step 3: Cross multiply
    58,875.12x = 81,206.50 × 38,725.56
  4. Step 4: Simplify right side
    58,875.12x = 3,144,767,163.94
  5. Step 5: Solve for x
    x = 3,144,767,163.94/58,875.12
  6. Step 6: Final answer
    x = 53,414.20

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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.