Home / 79,017.92-118,513.58-26,427.32

Finding the Fourth Proportional to 79,017.92, 118,513.58 and 26,427.32

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Solution

The fourth proportional to 79,017.92, 118,513.58 and 26,427.32 is: 39,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,017.92 : 118,513.58 = 26,427.32 : x
  2. Step 2: Convert to fraction form
    79,017.92/118,513.58 = 26,427.32/x
  3. Step 3: Cross multiply
    79,017.92x = 118,513.58 × 26,427.32
  4. Step 4: Simplify right side
    79,017.92x = 3,131,996,303.01
  5. Step 5: Solve for x
    x = 3,131,996,303.01/79,017.92
  6. Step 6: Final answer
    x = 39,636.53

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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.