Home / 99,632.81-149,475.74-40,436.19

Finding the Fourth Proportional to 99,632.81, 149,475.74 and 40,436.19

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Solution

The fourth proportional to 99,632.81, 149,475.74 and 40,436.19 is: 60,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632.81 : 149,475.74 = 40,436.19 : x
  2. Step 2: Convert to fraction form
    99,632.81/149,475.74 = 40,436.19/x
  3. Step 3: Cross multiply
    99,632.81x = 149,475.74 × 40,436.19
  4. Step 4: Simplify right side
    99,632.81x = 6,044,229,423.03
  5. Step 5: Solve for x
    x = 6,044,229,423.03/99,632.81
  6. Step 6: Final answer
    x = 60,665.05

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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.