Home / 51,421.32-77,148.72-23,338.08

Finding the Fourth Proportional to 51,421.32, 77,148.72 and 23,338.08

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Solution

The fourth proportional to 51,421.32, 77,148.72 and 23,338.08 is: 35,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.32 : 77,148.72 = 23,338.08 : x
  2. Step 2: Convert to fraction form
    51,421.32/77,148.72 = 23,338.08/x
  3. Step 3: Cross multiply
    51,421.32x = 77,148.72 × 23,338.08
  4. Step 4: Simplify right side
    51,421.32x = 1,800,502,999.26
  5. Step 5: Solve for x
    x = 1,800,502,999.26/51,421.32
  6. Step 6: Final answer
    x = 35,014.72

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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.