Home / 77,349.49-115,914.78-32,931.52

Finding the Fourth Proportional to 77,349.49, 115,914.78 and 32,931.52

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Solution

The fourth proportional to 77,349.49, 115,914.78 and 32,931.52 is: 49,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.49 : 115,914.78 = 32,931.52 : x
  2. Step 2: Convert to fraction form
    77,349.49/115,914.78 = 32,931.52/x
  3. Step 3: Cross multiply
    77,349.49x = 115,914.78 × 32,931.52
  4. Step 4: Simplify right side
    77,349.49x = 3,817,249,895.87
  5. Step 5: Solve for x
    x = 3,817,249,895.87/77,349.49
  6. Step 6: Final answer
    x = 49,350.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.