Home / 79,499.92-118,990.26-58,434.40

Finding the Fourth Proportional to 79,499.92, 118,990.26 and 58,434.40

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Solution

The fourth proportional to 79,499.92, 118,990.26 and 58,434.40 is: 87,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.92 : 118,990.26 = 58,434.40 : x
  2. Step 2: Convert to fraction form
    79,499.92/118,990.26 = 58,434.40/x
  3. Step 3: Cross multiply
    79,499.92x = 118,990.26 × 58,434.40
  4. Step 4: Simplify right side
    79,499.92x = 6,953,124,448.94
  5. Step 5: Solve for x
    x = 6,953,124,448.94/79,499.92
  6. Step 6: Final answer
    x = 87,460.77

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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.