Home / 97,553.79-134,584.38-77,329.50

Finding the Fourth Proportional to 97,553.79, 134,584.38 and 77,329.50

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Solution

The fourth proportional to 97,553.79, 134,584.38 and 77,329.50 is: 106,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,553.79 : 134,584.38 = 77,329.50 : x
  2. Step 2: Convert to fraction form
    97,553.79/134,584.38 = 77,329.50/x
  3. Step 3: Cross multiply
    97,553.79x = 134,584.38 × 77,329.50
  4. Step 4: Simplify right side
    97,553.79x = 10,407,342,813.21
  5. Step 5: Solve for x
    x = 10,407,342,813.21/97,553.79
  6. Step 6: Final answer
    x = 106,683.12

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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.