Home / 104,650.82-144,417.13-56,904.20

Finding the Fourth Proportional to 104,650.82, 144,417.13 and 56,904.20

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Solution

The fourth proportional to 104,650.82, 144,417.13 and 56,904.20 is: 78,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.82 : 144,417.13 = 56,904.20 : x
  2. Step 2: Convert to fraction form
    104,650.82/144,417.13 = 56,904.20/x
  3. Step 3: Cross multiply
    104,650.82x = 144,417.13 × 56,904.20
  4. Step 4: Simplify right side
    104,650.82x = 8,217,941,248.95
  5. Step 5: Solve for x
    x = 8,217,941,248.95/104,650.82
  6. Step 6: Final answer
    x = 78,527.25

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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.