Home / 104,433.40-144,118.82-56,686.74

Finding the Fourth Proportional to 104,433.40, 144,118.82 and 56,686.74

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Solution

The fourth proportional to 104,433.40, 144,118.82 and 56,686.74 is: 78,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.40 : 144,118.82 = 56,686.74 : x
  2. Step 2: Convert to fraction form
    104,433.40/144,118.82 = 56,686.74/x
  3. Step 3: Cross multiply
    104,433.40x = 144,118.82 × 56,686.74
  4. Step 4: Simplify right side
    104,433.40x = 8,169,626,078.45
  5. Step 5: Solve for x
    x = 8,169,626,078.45/104,433.40
  6. Step 6: Final answer
    x = 78,228.10

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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.