Home / 47,077.11-64,966.12-28,214.24

Finding the Fourth Proportional to 47,077.11, 64,966.12 and 28,214.24

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Solution

The fourth proportional to 47,077.11, 64,966.12 and 28,214.24 is: 38,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.11 : 64,966.12 = 28,214.24 : x
  2. Step 2: Convert to fraction form
    47,077.11/64,966.12 = 28,214.24/x
  3. Step 3: Cross multiply
    47,077.11x = 64,966.12 × 28,214.24
  4. Step 4: Simplify right side
    47,077.11x = 1,832,969,306.18
  5. Step 5: Solve for x
    x = 1,832,969,306.18/47,077.11
  6. Step 6: Final answer
    x = 38,935.47

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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.