Home / 47,607.08-71,368.70-18,045.72

Finding the Fourth Proportional to 47,607.08, 71,368.70 and 18,045.72

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Solution

The fourth proportional to 47,607.08, 71,368.70 and 18,045.72 is: 27,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,607.08 : 71,368.70 = 18,045.72 : x
  2. Step 2: Convert to fraction form
    47,607.08/71,368.70 = 18,045.72/x
  3. Step 3: Cross multiply
    47,607.08x = 71,368.70 × 18,045.72
  4. Step 4: Simplify right side
    47,607.08x = 1,287,899,486.74
  5. Step 5: Solve for x
    x = 1,287,899,486.74/47,607.08
  6. Step 6: Final answer
    x = 27,052.69

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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.