Home / 52,845.03-72,925.44-28,971.69

Finding the Fourth Proportional to 52,845.03, 72,925.44 and 28,971.69

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Solution

The fourth proportional to 52,845.03, 72,925.44 and 28,971.69 is: 39,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.03 : 72,925.44 = 28,971.69 : x
  2. Step 2: Convert to fraction form
    52,845.03/72,925.44 = 28,971.69/x
  3. Step 3: Cross multiply
    52,845.03x = 72,925.44 × 28,971.69
  4. Step 4: Simplify right side
    52,845.03x = 2,112,773,240.79
  5. Step 5: Solve for x
    x = 2,112,773,240.79/52,845.03
  6. Step 6: Final answer
    x = 39,980.55

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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.