Home / 77,705.34-116,403.68-59,874.13

Finding the Fourth Proportional to 77,705.34, 116,403.68 and 59,874.13

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Solution

The fourth proportional to 77,705.34, 116,403.68 and 59,874.13 is: 89,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,705.34 : 116,403.68 = 59,874.13 : x
  2. Step 2: Convert to fraction form
    77,705.34/116,403.68 = 59,874.13/x
  3. Step 3: Cross multiply
    77,705.34x = 116,403.68 × 59,874.13
  4. Step 4: Simplify right side
    77,705.34x = 6,969,569,363.99
  5. Step 5: Solve for x
    x = 6,969,569,363.99/77,705.34
  6. Step 6: Final answer
    x = 89,692.29

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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.