Home / 43,125.67-64,688.79-15,045.61

Finding the Fourth Proportional to 43,125.67, 64,688.79 and 15,045.61

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Solution

The fourth proportional to 43,125.67, 64,688.79 and 15,045.61 is: 22,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.67 : 64,688.79 = 15,045.61 : x
  2. Step 2: Convert to fraction form
    43,125.67/64,688.79 = 15,045.61/x
  3. Step 3: Cross multiply
    43,125.67x = 64,688.79 × 15,045.61
  4. Step 4: Simplify right side
    43,125.67x = 973,282,305.71
  5. Step 5: Solve for x
    x = 973,282,305.71/43,125.67
  6. Step 6: Final answer
    x = 22,568.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.