Home / 51,194.18-70,646.90-28,533.08

Finding the Fourth Proportional to 51,194.18, 70,646.90 and 28,533.08

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Solution

The fourth proportional to 51,194.18, 70,646.90 and 28,533.08 is: 39,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.18 : 70,646.90 = 28,533.08 : x
  2. Step 2: Convert to fraction form
    51,194.18/70,646.90 = 28,533.08/x
  3. Step 3: Cross multiply
    51,194.18x = 70,646.90 × 28,533.08
  4. Step 4: Simplify right side
    51,194.18x = 2,015,773,153.55
  5. Step 5: Solve for x
    x = 2,015,773,153.55/51,194.18
  6. Step 6: Final answer
    x = 39,375.05

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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.