Home / 53,737.11-74,151.32-31,072.67

Finding the Fourth Proportional to 53,737.11, 74,151.32 and 31,072.67

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Solution

The fourth proportional to 53,737.11, 74,151.32 and 31,072.67 is: 42,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.11 : 74,151.32 = 31,072.67 : x
  2. Step 2: Convert to fraction form
    53,737.11/74,151.32 = 31,072.67/x
  3. Step 3: Cross multiply
    53,737.11x = 74,151.32 × 31,072.67
  4. Step 4: Simplify right side
    53,737.11x = 2,304,079,496.42
  5. Step 5: Solve for x
    x = 2,304,079,496.42/53,737.11
  6. Step 6: Final answer
    x = 42,876.88

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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.