Home / 77,022.39-106,280.39-43,026.68

Finding the Fourth Proportional to 77,022.39, 106,280.39 and 43,026.68

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Solution

The fourth proportional to 77,022.39, 106,280.39 and 43,026.68 is: 59,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.39 : 106,280.39 = 43,026.68 : x
  2. Step 2: Convert to fraction form
    77,022.39/106,280.39 = 43,026.68/x
  3. Step 3: Cross multiply
    77,022.39x = 106,280.39 × 43,026.68
  4. Step 4: Simplify right side
    77,022.39x = 4,572,891,864.22
  5. Step 5: Solve for x
    x = 4,572,891,864.22/77,022.39
  6. Step 6: Final answer
    x = 59,370.94

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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.