Home / 104,432.16-144,116.50-56,685.50

Finding the Fourth Proportional to 104,432.16, 144,116.50 and 56,685.50

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Solution

The fourth proportional to 104,432.16, 144,116.50 and 56,685.50 is: 78,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.16 : 144,116.50 = 56,685.50 : x
  2. Step 2: Convert to fraction form
    104,432.16/144,116.50 = 56,685.50/x
  3. Step 3: Cross multiply
    104,432.16x = 144,116.50 × 56,685.50
  4. Step 4: Simplify right side
    104,432.16x = 8,169,315,860.75
  5. Step 5: Solve for x
    x = 8,169,315,860.75/104,432.16
  6. Step 6: Final answer
    x = 78,226.05

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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.