Home / 91,982.84-126,932.58-56,232.68

Finding the Fourth Proportional to 91,982.84, 126,932.58 and 56,232.68

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Solution

The fourth proportional to 91,982.84, 126,932.58 and 56,232.68 is: 77,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.84 : 126,932.58 = 56,232.68 : x
  2. Step 2: Convert to fraction form
    91,982.84/126,932.58 = 56,232.68/x
  3. Step 3: Cross multiply
    91,982.84x = 126,932.58 × 56,232.68
  4. Step 4: Simplify right side
    91,982.84x = 7,137,759,152.71
  5. Step 5: Solve for x
    x = 7,137,759,152.71/91,982.84
  6. Step 6: Final answer
    x = 77,598.81

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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.