Home / 52,703.04-72,729.24-28,829.51

Finding the Fourth Proportional to 52,703.04, 72,729.24 and 28,829.51

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Solution

The fourth proportional to 52,703.04, 72,729.24 and 28,829.51 is: 39,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.04 : 72,729.24 = 28,829.51 : x
  2. Step 2: Convert to fraction form
    52,703.04/72,729.24 = 28,829.51/x
  3. Step 3: Cross multiply
    52,703.04x = 72,729.24 × 28,829.51
  4. Step 4: Simplify right side
    52,703.04x = 2,096,747,988.23
  5. Step 5: Solve for x
    x = 2,096,747,988.23/52,703.04
  6. Step 6: Final answer
    x = 39,784.19

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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.