Home / 65,166.24-97,694.64-45,386.40

Finding the Fourth Proportional to 65,166.24, 97,694.64 and 45,386.40

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Solution

The fourth proportional to 65,166.24, 97,694.64 and 45,386.40 is: 68,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.24 : 97,694.64 = 45,386.40 : x
  2. Step 2: Convert to fraction form
    65,166.24/97,694.64 = 45,386.40/x
  3. Step 3: Cross multiply
    65,166.24x = 97,694.64 × 45,386.40
  4. Step 4: Simplify right side
    65,166.24x = 4,434,008,008.90
  5. Step 5: Solve for x
    x = 4,434,008,008.90/65,166.24
  6. Step 6: Final answer
    x = 68,041.49

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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.