Home / 47,909.37-66,116.97-26,688.66

Finding the Fourth Proportional to 47,909.37, 66,116.97 and 26,688.66

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Solution

The fourth proportional to 47,909.37, 66,116.97 and 26,688.66 is: 36,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,909.37 : 66,116.97 = 26,688.66 : x
  2. Step 2: Convert to fraction form
    47,909.37/66,116.97 = 26,688.66/x
  3. Step 3: Cross multiply
    47,909.37x = 66,116.97 × 26,688.66
  4. Step 4: Simplify right side
    47,909.37x = 1,764,573,332.56
  5. Step 5: Solve for x
    x = 1,764,573,332.56/47,909.37
  6. Step 6: Final answer
    x = 36,831.49

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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.