Home / 52,633.60-72,659.64-31,127.04

Finding the Fourth Proportional to 52,633.60, 72,659.64 and 31,127.04

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Solution

The fourth proportional to 52,633.60, 72,659.64 and 31,127.04 is: 42,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,633.60 : 72,659.64 = 31,127.04 : x
  2. Step 2: Convert to fraction form
    52,633.60/72,659.64 = 31,127.04/x
  3. Step 3: Cross multiply
    52,633.60x = 72,659.64 × 31,127.04
  4. Step 4: Simplify right side
    52,633.60x = 2,261,679,520.67
  5. Step 5: Solve for x
    x = 2,261,679,520.67/52,633.60
  6. Step 6: Final answer
    x = 42,970.26

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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.