Home / 104,377.66-144,041.18-56,631.02

Finding the Fourth Proportional to 104,377.66, 144,041.18 and 56,631.02

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Solution

The fourth proportional to 104,377.66, 144,041.18 and 56,631.02 is: 78,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,377.66 : 144,041.18 = 56,631.02 : x
  2. Step 2: Convert to fraction form
    104,377.66/144,041.18 = 56,631.02/x
  3. Step 3: Cross multiply
    104,377.66x = 144,041.18 × 56,631.02
  4. Step 4: Simplify right side
    104,377.66x = 8,157,197,942.04
  5. Step 5: Solve for x
    x = 8,157,197,942.04/104,377.66
  6. Step 6: Final answer
    x = 78,150.80

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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.