Home / 92,022.40-126,936.78-57,970.81

Finding the Fourth Proportional to 92,022.40, 126,936.78 and 57,970.81

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Solution

The fourth proportional to 92,022.40, 126,936.78 and 57,970.81 is: 79,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,022.40 : 126,936.78 = 57,970.81 : x
  2. Step 2: Convert to fraction form
    92,022.40/126,936.78 = 57,970.81/x
  3. Step 3: Cross multiply
    92,022.40x = 126,936.78 × 57,970.81
  4. Step 4: Simplify right side
    92,022.40x = 7,358,627,955.39
  5. Step 5: Solve for x
    x = 7,358,627,955.39/92,022.40
  6. Step 6: Final answer
    x = 79,965.62

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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.