Home / 77,340.41-106,732.68-43,349.51

Finding the Fourth Proportional to 77,340.41, 106,732.68 and 43,349.51

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Solution

The fourth proportional to 77,340.41, 106,732.68 and 43,349.51 is: 59,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.41 : 106,732.68 = 43,349.51 : x
  2. Step 2: Convert to fraction form
    77,340.41/106,732.68 = 43,349.51/x
  3. Step 3: Cross multiply
    77,340.41x = 106,732.68 × 43,349.51
  4. Step 4: Simplify right side
    77,340.41x = 4,626,808,845.32
  5. Step 5: Solve for x
    x = 4,626,808,845.32/77,340.41
  6. Step 6: Final answer
    x = 59,823.95

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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.