Home / 79,501.92-118,993.26-58,436.40

Finding the Fourth Proportional to 79,501.92, 118,993.26 and 58,436.40

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Solution

The fourth proportional to 79,501.92, 118,993.26 and 58,436.40 is: 87,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.92 : 118,993.26 = 58,436.40 : x
  2. Step 2: Convert to fraction form
    79,501.92/118,993.26 = 58,436.40/x
  3. Step 3: Cross multiply
    79,501.92x = 118,993.26 × 58,436.40
  4. Step 4: Simplify right side
    79,501.92x = 6,953,537,738.66
  5. Step 5: Solve for x
    x = 6,953,537,738.66/79,501.92
  6. Step 6: Final answer
    x = 87,463.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.