Home / 88,678.16-122,391.08-84,692.24

Finding the Fourth Proportional to 88,678.16, 122,391.08 and 84,692.24

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Solution

The fourth proportional to 88,678.16, 122,391.08 and 84,692.24 is: 116,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.16 : 122,391.08 = 84,692.24 : x
  2. Step 2: Convert to fraction form
    88,678.16/122,391.08 = 84,692.24/x
  3. Step 3: Cross multiply
    88,678.16x = 122,391.08 × 84,692.24
  4. Step 4: Simplify right side
    88,678.16x = 10,365,574,721.22
  5. Step 5: Solve for x
    x = 10,365,574,721.22/88,678.16
  6. Step 6: Final answer
    x = 116,889.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.