Home / 52,432.53-72,357.74-28,559.22

Finding the Fourth Proportional to 52,432.53, 72,357.74 and 28,559.22

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Solution

The fourth proportional to 52,432.53, 72,357.74 and 28,559.22 is: 39,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.53 : 72,357.74 = 28,559.22 : x
  2. Step 2: Convert to fraction form
    52,432.53/72,357.74 = 28,559.22/x
  3. Step 3: Cross multiply
    52,432.53x = 72,357.74 × 28,559.22
  4. Step 4: Simplify right side
    52,432.53x = 2,066,480,615.36
  5. Step 5: Solve for x
    x = 2,066,480,615.36/52,432.53
  6. Step 6: Final answer
    x = 39,412.19

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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.