Home / 97,551.18-134,731.69-65,664.72

Finding the Fourth Proportional to 97,551.18, 134,731.69 and 65,664.72

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Solution

The fourth proportional to 97,551.18, 134,731.69 and 65,664.72 is: 90,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,551.18 : 134,731.69 = 65,664.72 : x
  2. Step 2: Convert to fraction form
    97,551.18/134,731.69 = 65,664.72/x
  3. Step 3: Cross multiply
    97,551.18x = 134,731.69 × 65,664.72
  4. Step 4: Simplify right side
    97,551.18x = 8,847,118,534.82
  5. Step 5: Solve for x
    x = 8,847,118,534.82/97,551.18
  6. Step 6: Final answer
    x = 90,692.07

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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.