Home / 79,053.76-118,017.14-76,285.18

Finding the Fourth Proportional to 79,053.76, 118,017.14 and 76,285.18

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Solution

The fourth proportional to 79,053.76, 118,017.14 and 76,285.18 is: 113,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,053.76 : 118,017.14 = 76,285.18 : x
  2. Step 2: Convert to fraction form
    79,053.76/118,017.14 = 76,285.18/x
  3. Step 3: Cross multiply
    79,053.76x = 118,017.14 × 76,285.18
  4. Step 4: Simplify right side
    79,053.76x = 9,002,958,767.99
  5. Step 5: Solve for x
    x = 9,002,958,767.99/79,053.76
  6. Step 6: Final answer
    x = 113,884.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.