Home / 77,339.18-106,736.61-43,350.92

Finding the Fourth Proportional to 77,339.18, 106,736.61 and 43,350.92

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Solution

The fourth proportional to 77,339.18, 106,736.61 and 43,350.92 is: 59,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.18 : 106,736.61 = 43,350.92 : x
  2. Step 2: Convert to fraction form
    77,339.18/106,736.61 = 43,350.92/x
  3. Step 3: Cross multiply
    77,339.18x = 106,736.61 × 43,350.92
  4. Step 4: Simplify right side
    77,339.18x = 4,627,130,448.60
  5. Step 5: Solve for x
    x = 4,627,130,448.60/77,339.18
  6. Step 6: Final answer
    x = 59,829.06

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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.