Home / 104,660.06-144,433.62-56,916.20

Finding the Fourth Proportional to 104,660.06, 144,433.62 and 56,916.20

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Solution

The fourth proportional to 104,660.06, 144,433.62 and 56,916.20 is: 78,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.06 : 144,433.62 = 56,916.20 : x
  2. Step 2: Convert to fraction form
    104,660.06/144,433.62 = 56,916.20/x
  3. Step 3: Cross multiply
    104,660.06x = 144,433.62 × 56,916.20
  4. Step 4: Simplify right side
    104,660.06x = 8,220,612,802.64
  5. Step 5: Solve for x
    x = 8,220,612,802.64/104,660.06
  6. Step 6: Final answer
    x = 78,545.84

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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.