Home / 47,135.19-70,754.01-19,074.57

Finding the Fourth Proportional to 47,135.19, 70,754.01 and 19,074.57

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Solution

The fourth proportional to 47,135.19, 70,754.01 and 19,074.57 is: 28,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.19 : 70,754.01 = 19,074.57 : x
  2. Step 2: Convert to fraction form
    47,135.19/70,754.01 = 19,074.57/x
  3. Step 3: Cross multiply
    47,135.19x = 70,754.01 × 19,074.57
  4. Step 4: Simplify right side
    47,135.19x = 1,349,602,316.53
  5. Step 5: Solve for x
    x = 1,349,602,316.53/47,135.19
  6. Step 6: Final answer
    x = 28,632.58

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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.