Home / 77,150.79-106,467.53-43,159.14

Finding the Fourth Proportional to 77,150.79, 106,467.53 and 43,159.14

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Solution

The fourth proportional to 77,150.79, 106,467.53 and 43,159.14 is: 59,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,150.79 : 106,467.53 = 43,159.14 : x
  2. Step 2: Convert to fraction form
    77,150.79/106,467.53 = 43,159.14/x
  3. Step 3: Cross multiply
    77,150.79x = 106,467.53 × 43,159.14
  4. Step 4: Simplify right side
    77,150.79x = 4,595,046,816.93
  5. Step 5: Solve for x
    x = 4,595,046,816.93/77,150.79
  6. Step 6: Final answer
    x = 59,559.30

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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.