Home / 104,621.58-144,376.07-56,876.13

Finding the Fourth Proportional to 104,621.58, 144,376.07 and 56,876.13

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Solution

The fourth proportional to 104,621.58, 144,376.07 and 56,876.13 is: 78,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.58 : 144,376.07 = 56,876.13 : x
  2. Step 2: Convert to fraction form
    104,621.58/144,376.07 = 56,876.13/x
  3. Step 3: Cross multiply
    104,621.58x = 144,376.07 × 56,876.13
  4. Step 4: Simplify right side
    104,621.58x = 8,211,552,126.21
  5. Step 5: Solve for x
    x = 8,211,552,126.21/104,621.58
  6. Step 6: Final answer
    x = 78,488.13

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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.