Home / 51,673.04-77,543.60-28,315.88

Finding the Fourth Proportional to 51,673.04, 77,543.60 and 28,315.88

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Solution

The fourth proportional to 51,673.04, 77,543.60 and 28,315.88 is: 42,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.04 : 77,543.60 = 28,315.88 : x
  2. Step 2: Convert to fraction form
    51,673.04/77,543.60 = 28,315.88/x
  3. Step 3: Cross multiply
    51,673.04x = 77,543.60 × 28,315.88
  4. Step 4: Simplify right side
    51,673.04x = 2,195,715,272.37
  5. Step 5: Solve for x
    x = 2,195,715,272.37/51,673.04
  6. Step 6: Final answer
    x = 42,492.47

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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.