Home / 47,081.19-70,632.65-13,803.82

Finding the Fourth Proportional to 47,081.19, 70,632.65 and 13,803.82

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Solution

The fourth proportional to 47,081.19, 70,632.65 and 13,803.82 is: 20,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.19 : 70,632.65 = 13,803.82 : x
  2. Step 2: Convert to fraction form
    47,081.19/70,632.65 = 13,803.82/x
  3. Step 3: Cross multiply
    47,081.19x = 70,632.65 × 13,803.82
  4. Step 4: Simplify right side
    47,081.19x = 975,000,386.72
  5. Step 5: Solve for x
    x = 975,000,386.72/47,081.19
  6. Step 6: Final answer
    x = 20,708.92

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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.