Home / 51,703.44-77,555.52-28,317.12

Finding the Fourth Proportional to 51,703.44, 77,555.52 and 28,317.12

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Solution

The fourth proportional to 51,703.44, 77,555.52 and 28,317.12 is: 42,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.44 : 77,555.52 = 28,317.12 : x
  2. Step 2: Convert to fraction form
    51,703.44/77,555.52 = 28,317.12/x
  3. Step 3: Cross multiply
    51,703.44x = 77,555.52 × 28,317.12
  4. Step 4: Simplify right side
    51,703.44x = 2,196,148,966.50
  5. Step 5: Solve for x
    x = 2,196,148,966.50/51,703.44
  6. Step 6: Final answer
    x = 42,475.88

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1.5x scale

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.