Home / 102,678.01-141,692.37-59,661.09

Finding the Fourth Proportional to 102,678.01, 141,692.37 and 59,661.09

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Solution

The fourth proportional to 102,678.01, 141,692.37 and 59,661.09 is: 82,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,678.01 : 141,692.37 = 59,661.09 : x
  2. Step 2: Convert to fraction form
    102,678.01/141,692.37 = 59,661.09/x
  3. Step 3: Cross multiply
    102,678.01x = 141,692.37 × 59,661.09
  4. Step 4: Simplify right side
    102,678.01x = 8,453,521,015.15
  5. Step 5: Solve for x
    x = 8,453,521,015.15/102,678.01
  6. Step 6: Final answer
    x = 82,330.40

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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.