Home / 69,679.52-96,197.64-45,875.40

Finding the Fourth Proportional to 69,679.52, 96,197.64 and 45,875.40

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Solution

The fourth proportional to 69,679.52, 96,197.64 and 45,875.40 is: 63,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679.52 : 96,197.64 = 45,875.40 : x
  2. Step 2: Convert to fraction form
    69,679.52/96,197.64 = 45,875.40/x
  3. Step 3: Cross multiply
    69,679.52x = 96,197.64 × 45,875.40
  4. Step 4: Simplify right side
    69,679.52x = 4,413,104,681.28
  5. Step 5: Solve for x
    x = 4,413,104,681.28/69,679.52
  6. Step 6: Final answer
    x = 63,334.32

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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.