Home / 52,509.55-78,693.71-28,781.52

Finding the Fourth Proportional to 52,509.55, 78,693.71 and 28,781.52

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Solution

The fourth proportional to 52,509.55, 78,693.71 and 28,781.52 is: 43,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,509.55 : 78,693.71 = 28,781.52 : x
  2. Step 2: Convert to fraction form
    52,509.55/78,693.71 = 28,781.52/x
  3. Step 3: Cross multiply
    52,509.55x = 78,693.71 × 28,781.52
  4. Step 4: Simplify right side
    52,509.55x = 2,264,924,588.24
  5. Step 5: Solve for x
    x = 2,264,924,588.24/52,509.55
  6. Step 6: Final answer
    x = 43,133.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.