Home / 47,909.18-66,116.72-26,688.46

Finding the Fourth Proportional to 47,909.18, 66,116.72 and 26,688.46

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Solution

The fourth proportional to 47,909.18, 66,116.72 and 26,688.46 is: 36,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.18 : 66,116.72 = 26,688.46 : x
  2. Step 2: Convert to fraction form
    47,909.18/66,116.72 = 26,688.46/x
  3. Step 3: Cross multiply
    47,909.18x = 66,116.72 × 26,688.46
  4. Step 4: Simplify right side
    47,909.18x = 1,764,553,437.05
  5. Step 5: Solve for x
    x = 1,764,553,437.05/47,909.18
  6. Step 6: Final answer
    x = 36,831.22

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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.