Home / 97,428-134,450.73-54,985.62

Finding the Fourth Proportional to 97,428, 134,450.73 and 54,985.62

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Solution

The fourth proportional to 97,428, 134,450.73 and 54,985.62 is: 75,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428 : 134,450.73 = 54,985.62 : x
  2. Step 2: Convert to fraction form
    97,428/134,450.73 = 54,985.62/x
  3. Step 3: Cross multiply
    97,428x = 134,450.73 × 54,985.62
  4. Step 4: Simplify right side
    97,428x = 7,392,856,748.50
  5. Step 5: Solve for x
    x = 7,392,856,748.50/97,428
  6. Step 6: Final answer
    x = 75,880.21

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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.