Home / 51,432.84-70,973.99-28,767.92

Finding the Fourth Proportional to 51,432.84, 70,973.99 and 28,767.92

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Solution

The fourth proportional to 51,432.84, 70,973.99 and 28,767.92 is: 39,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.84 : 70,973.99 = 28,767.92 : x
  2. Step 2: Convert to fraction form
    51,432.84/70,973.99 = 28,767.92/x
  3. Step 3: Cross multiply
    51,432.84x = 70,973.99 × 28,767.92
  4. Step 4: Simplify right side
    51,432.84x = 2,041,773,567.69
  5. Step 5: Solve for x
    x = 2,041,773,567.69/51,432.84
  6. Step 6: Final answer
    x = 39,697.86

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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.