Home / 77,500.14-106,956.37-43,510.86

Finding the Fourth Proportional to 77,500.14, 106,956.37 and 43,510.86

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Solution

The fourth proportional to 77,500.14, 106,956.37 and 43,510.86 is: 60,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,500.14 : 106,956.37 = 43,510.86 : x
  2. Step 2: Convert to fraction form
    77,500.14/106,956.37 = 43,510.86/x
  3. Step 3: Cross multiply
    77,500.14x = 106,956.37 × 43,510.86
  4. Step 4: Simplify right side
    77,500.14x = 4,653,763,667.53
  5. Step 5: Solve for x
    x = 4,653,763,667.53/77,500.14
  6. Step 6: Final answer
    x = 60,048.45

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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.