Home / 104,637.40-144,405.52-56,889.72

Finding the Fourth Proportional to 104,637.40, 144,405.52 and 56,889.72

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Solution

The fourth proportional to 104,637.40, 144,405.52 and 56,889.72 is: 78,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.40 : 144,405.52 = 56,889.72 : x
  2. Step 2: Convert to fraction form
    104,637.40/144,405.52 = 56,889.72/x
  3. Step 3: Cross multiply
    104,637.40x = 144,405.52 × 56,889.72
  4. Step 4: Simplify right side
    104,637.40x = 8,215,189,599.25
  5. Step 5: Solve for x
    x = 8,215,189,599.25/104,637.40
  6. Step 6: Final answer
    x = 78,511.03

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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.