Home / 65,307.13-97,960.71-43,115.32

Finding the Fourth Proportional to 65,307.13, 97,960.71 and 43,115.32

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Solution

The fourth proportional to 65,307.13, 97,960.71 and 43,115.32 is: 64,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,307.13 : 97,960.71 = 43,115.32 : x
  2. Step 2: Convert to fraction form
    65,307.13/97,960.71 = 43,115.32/x
  3. Step 3: Cross multiply
    65,307.13x = 97,960.71 × 43,115.32
  4. Step 4: Simplify right side
    65,307.13x = 4,223,607,359.08
  5. Step 5: Solve for x
    x = 4,223,607,359.08/65,307.13
  6. Step 6: Final answer
    x = 64,672.99

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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.