Home / 52,878.16-72,972.30-29,004.64

Finding the Fourth Proportional to 52,878.16, 72,972.30 and 29,004.64

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Solution

The fourth proportional to 52,878.16, 72,972.30 and 29,004.64 is: 40,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.16 : 72,972.30 = 29,004.64 : x
  2. Step 2: Convert to fraction form
    52,878.16/72,972.30 = 29,004.64/x
  3. Step 3: Cross multiply
    52,878.16x = 72,972.30 × 29,004.64
  4. Step 4: Simplify right side
    52,878.16x = 2,116,535,291.47
  5. Step 5: Solve for x
    x = 2,116,535,291.47/52,878.16
  6. Step 6: Final answer
    x = 40,026.64

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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.