Home / 77,132.04-106,441.89-43,140.39

Finding the Fourth Proportional to 77,132.04, 106,441.89 and 43,140.39

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Solution

The fourth proportional to 77,132.04, 106,441.89 and 43,140.39 is: 59,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,132.04 : 106,441.89 = 43,140.39 : x
  2. Step 2: Convert to fraction form
    77,132.04/106,441.89 = 43,140.39/x
  3. Step 3: Cross multiply
    77,132.04x = 106,441.89 × 43,140.39
  4. Step 4: Simplify right side
    77,132.04x = 4,591,944,646.94
  5. Step 5: Solve for x
    x = 4,591,944,646.94/77,132.04
  6. Step 6: Final answer
    x = 59,533.56

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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.