Home / 91,841.19-126,754.68-56,051.96

Finding the Fourth Proportional to 91,841.19, 126,754.68 and 56,051.96

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Solution

The fourth proportional to 91,841.19, 126,754.68 and 56,051.96 is: 77,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,841.19 : 126,754.68 = 56,051.96 : x
  2. Step 2: Convert to fraction form
    91,841.19/126,754.68 = 56,051.96/x
  3. Step 3: Cross multiply
    91,841.19x = 126,754.68 × 56,051.96
  4. Step 4: Simplify right side
    91,841.19x = 7,104,847,465.49
  5. Step 5: Solve for x
    x = 7,104,847,465.49/91,841.19
  6. Step 6: Final answer
    x = 77,360.15

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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.