Home / 77,062.32-106,355.43-43,076.34

Finding the Fourth Proportional to 77,062.32, 106,355.43 and 43,076.34

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Solution

The fourth proportional to 77,062.32, 106,355.43 and 43,076.34 is: 59,450.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,062.32 : 106,355.43 = 43,076.34 : x
  2. Step 2: Convert to fraction form
    77,062.32/106,355.43 = 43,076.34/x
  3. Step 3: Cross multiply
    77,062.32x = 106,355.43 × 43,076.34
  4. Step 4: Simplify right side
    77,062.32x = 4,581,402,663.53
  5. Step 5: Solve for x
    x = 4,581,402,663.53/77,062.32
  6. Step 6: Final answer
    x = 59,450.62

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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.