Home / 53,390.49-79,900.55-32,317.74

Finding the Fourth Proportional to 53,390.49, 79,900.55 and 32,317.74

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Solution

The fourth proportional to 53,390.49, 79,900.55 and 32,317.74 is: 48,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.49 : 79,900.55 = 32,317.74 : x
  2. Step 2: Convert to fraction form
    53,390.49/79,900.55 = 32,317.74/x
  3. Step 3: Cross multiply
    53,390.49x = 79,900.55 × 32,317.74
  4. Step 4: Simplify right side
    53,390.49x = 2,582,205,200.76
  5. Step 5: Solve for x
    x = 2,582,205,200.76/53,390.49
  6. Step 6: Final answer
    x = 48,364.52

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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.