Home / 47,908.13-66,113.21-26,688.76

Finding the Fourth Proportional to 47,908.13, 66,113.21 and 26,688.76

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Solution

The fourth proportional to 47,908.13, 66,113.21 and 26,688.76 is: 36,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.13 : 66,113.21 = 26,688.76 : x
  2. Step 2: Convert to fraction form
    47,908.13/66,113.21 = 26,688.76/x
  3. Step 3: Cross multiply
    47,908.13x = 66,113.21 × 26,688.76
  4. Step 4: Simplify right side
    47,908.13x = 1,764,479,495.96
  5. Step 5: Solve for x
    x = 1,764,479,495.96/47,908.13
  6. Step 6: Final answer
    x = 36,830.49

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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.