Home / 104,719.19-144,510.89-56,971.44

Finding the Fourth Proportional to 104,719.19, 144,510.89 and 56,971.44

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Solution

The fourth proportional to 104,719.19, 144,510.89 and 56,971.44 is: 78,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.19 : 144,510.89 = 56,971.44 : x
  2. Step 2: Convert to fraction form
    104,719.19/144,510.89 = 56,971.44/x
  3. Step 3: Cross multiply
    104,719.19x = 144,510.89 × 56,971.44
  4. Step 4: Simplify right side
    104,719.19x = 8,232,993,214.12
  5. Step 5: Solve for x
    x = 8,232,993,214.12/104,719.19
  6. Step 6: Final answer
    x = 78,619.72

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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.