Home / 99,360.50-149,341.85-65,741.19

Finding the Fourth Proportional to 99,360.50, 149,341.85 and 65,741.19

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Solution

The fourth proportional to 99,360.50, 149,341.85 and 65,741.19 is: 98,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360.50 : 149,341.85 = 65,741.19 : x
  2. Step 2: Convert to fraction form
    99,360.50/149,341.85 = 65,741.19/x
  3. Step 3: Cross multiply
    99,360.50x = 149,341.85 × 65,741.19
  4. Step 4: Simplify right side
    99,360.50x = 9,817,910,607.10
  5. Step 5: Solve for x
    x = 9,817,910,607.10/99,360.50
  6. Step 6: Final answer
    x = 98,811.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.