Home / 65,315.48-90,162.92-44,123.45

Finding the Fourth Proportional to 65,315.48, 90,162.92 and 44,123.45

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Solution

The fourth proportional to 65,315.48, 90,162.92 and 44,123.45 is: 60,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.48 : 90,162.92 = 44,123.45 : x
  2. Step 2: Convert to fraction form
    65,315.48/90,162.92 = 44,123.45/x
  3. Step 3: Cross multiply
    65,315.48x = 90,162.92 × 44,123.45
  4. Step 4: Simplify right side
    65,315.48x = 3,978,299,097.26
  5. Step 5: Solve for x
    x = 3,978,299,097.26/65,315.48
  6. Step 6: Final answer
    x = 60,908.98

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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.