Home / 97,813.22-134,982.81-57,528.68

Finding the Fourth Proportional to 97,813.22, 134,982.81 and 57,528.68

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Solution

The fourth proportional to 97,813.22, 134,982.81 and 57,528.68 is: 79,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,813.22 : 134,982.81 = 57,528.68 : x
  2. Step 2: Convert to fraction form
    97,813.22/134,982.81 = 57,528.68/x
  3. Step 3: Cross multiply
    97,813.22x = 134,982.81 × 57,528.68
  4. Step 4: Simplify right side
    97,813.22x = 7,765,382,594.35
  5. Step 5: Solve for x
    x = 7,765,382,594.35/97,813.22
  6. Step 6: Final answer
    x = 79,389.91

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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.