Home / 77,403.12-106,770.94-48,677.22

Finding the Fourth Proportional to 77,403.12, 106,770.94 and 48,677.22

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Solution

The fourth proportional to 77,403.12, 106,770.94 and 48,677.22 is: 67,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.12 : 106,770.94 = 48,677.22 : x
  2. Step 2: Convert to fraction form
    77,403.12/106,770.94 = 48,677.22/x
  3. Step 3: Cross multiply
    77,403.12x = 106,770.94 × 48,677.22
  4. Step 4: Simplify right side
    77,403.12x = 5,197,312,342.17
  5. Step 5: Solve for x
    x = 5,197,312,342.17/77,403.12
  6. Step 6: Final answer
    x = 67,146.03

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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.