Home / 104,722.02-144,512.10-56,975.42

Finding the Fourth Proportional to 104,722.02, 144,512.10 and 56,975.42

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Solution

The fourth proportional to 104,722.02, 144,512.10 and 56,975.42 is: 78,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,722.02 : 144,512.10 = 56,975.42 : x
  2. Step 2: Convert to fraction form
    104,722.02/144,512.10 = 56,975.42/x
  3. Step 3: Cross multiply
    104,722.02x = 144,512.10 × 56,975.42
  4. Step 4: Simplify right side
    104,722.02x = 8,233,636,870.02
  5. Step 5: Solve for x
    x = 8,233,636,870.02/104,722.02
  6. Step 6: Final answer
    x = 78,623.74

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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.