Home / 84,817.05-127,225.58-77,559.45

Finding the Fourth Proportional to 84,817.05, 127,225.58 and 77,559.45

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Solution

The fourth proportional to 84,817.05, 127,225.58 and 77,559.45 is: 116,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.05 : 127,225.58 = 77,559.45 : x
  2. Step 2: Convert to fraction form
    84,817.05/127,225.58 = 77,559.45/x
  3. Step 3: Cross multiply
    84,817.05x = 127,225.58 × 77,559.45
  4. Step 4: Simplify right side
    84,817.05x = 9,867,545,622.93
  5. Step 5: Solve for x
    x = 9,867,545,622.93/84,817.05
  6. Step 6: Final answer
    x = 116,339.18

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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.