Home / 52,670.68-72,685.86-28,798.36

Finding the Fourth Proportional to 52,670.68, 72,685.86 and 28,798.36

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Solution

The fourth proportional to 52,670.68, 72,685.86 and 28,798.36 is: 39,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670.68 : 72,685.86 = 28,798.36 : x
  2. Step 2: Convert to fraction form
    52,670.68/72,685.86 = 28,798.36/x
  3. Step 3: Cross multiply
    52,670.68x = 72,685.86 × 28,798.36
  4. Step 4: Simplify right side
    52,670.68x = 2,093,233,563.19
  5. Step 5: Solve for x
    x = 2,093,233,563.19/52,670.68
  6. Step 6: Final answer
    x = 39,741.91

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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.