Home / 97,465.28-134,504.31-57,208.07

Finding the Fourth Proportional to 97,465.28, 134,504.31 and 57,208.07

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Solution

The fourth proportional to 97,465.28, 134,504.31 and 57,208.07 is: 78,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,465.28 : 134,504.31 = 57,208.07 : x
  2. Step 2: Convert to fraction form
    97,465.28/134,504.31 = 57,208.07/x
  3. Step 3: Cross multiply
    97,465.28x = 134,504.31 × 57,208.07
  4. Step 4: Simplify right side
    97,465.28x = 7,694,732,532.57
  5. Step 5: Solve for x
    x = 7,694,732,532.57/97,465.28
  6. Step 6: Final answer
    x = 78,948.45

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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.