Home / 64,583.06-89,168.10-57,755.90

Finding the Fourth Proportional to 64,583.06, 89,168.10 and 57,755.90

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Solution

The fourth proportional to 64,583.06, 89,168.10 and 57,755.90 is: 79,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583.06 : 89,168.10 = 57,755.90 : x
  2. Step 2: Convert to fraction form
    64,583.06/89,168.10 = 57,755.90/x
  3. Step 3: Cross multiply
    64,583.06x = 89,168.10 × 57,755.90
  4. Step 4: Simplify right side
    64,583.06x = 5,149,983,420.95
  5. Step 5: Solve for x
    x = 5,149,983,420.95/64,583.06
  6. Step 6: Final answer
    x = 79,742.02

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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.