Home / 77,458.29-106,882.20-43,465.47

Finding the Fourth Proportional to 77,458.29, 106,882.20 and 43,465.47

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Solution

The fourth proportional to 77,458.29, 106,882.20 and 43,465.47 is: 59,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458.29 : 106,882.20 = 43,465.47 : x
  2. Step 2: Convert to fraction form
    77,458.29/106,882.20 = 43,465.47/x
  3. Step 3: Cross multiply
    77,458.29x = 106,882.20 × 43,465.47
  4. Step 4: Simplify right side
    77,458.29x = 4,645,685,057.63
  5. Step 5: Solve for x
    x = 4,645,685,057.63/77,458.29
  6. Step 6: Final answer
    x = 59,976.60

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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.