Home / 104,366.24-144,026-56,619.68

Finding the Fourth Proportional to 104,366.24, 144,026 and 56,619.68

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Solution

The fourth proportional to 104,366.24, 144,026 and 56,619.68 is: 78,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,366.24 : 144,026 = 56,619.68 : x
  2. Step 2: Convert to fraction form
    104,366.24/144,026 = 56,619.68/x
  3. Step 3: Cross multiply
    104,366.24x = 144,026 × 56,619.68
  4. Step 4: Simplify right side
    104,366.24x = 8,154,706,031.68
  5. Step 5: Solve for x
    x = 8,154,706,031.68/104,366.24
  6. Step 6: Final answer
    x = 78,135.48

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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.