Home / 79,012.17-118,493.55-26,409.35

Finding the Fourth Proportional to 79,012.17, 118,493.55 and 26,409.35

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Solution

The fourth proportional to 79,012.17, 118,493.55 and 26,409.35 is: 39,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012.17 : 118,493.55 = 26,409.35 : x
  2. Step 2: Convert to fraction form
    79,012.17/118,493.55 = 26,409.35/x
  3. Step 3: Cross multiply
    79,012.17x = 118,493.55 × 26,409.35
  4. Step 4: Simplify right side
    79,012.17x = 3,129,337,930.93
  5. Step 5: Solve for x
    x = 3,129,337,930.93/79,012.17
  6. Step 6: Final answer
    x = 39,605.77

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1.5x scale

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.