Home / 47,899.04-66,102.05-26,390.16

Finding the Fourth Proportional to 47,899.04, 66,102.05 and 26,390.16

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Solution

The fourth proportional to 47,899.04, 66,102.05 and 26,390.16 is: 36,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,899.04 : 66,102.05 = 26,390.16 : x
  2. Step 2: Convert to fraction form
    47,899.04/66,102.05 = 26,390.16/x
  3. Step 3: Cross multiply
    47,899.04x = 66,102.05 × 26,390.16
  4. Step 4: Simplify right side
    47,899.04x = 1,744,443,741.80
  5. Step 5: Solve for x
    x = 1,744,443,741.80/47,899.04
  6. Step 6: Final answer
    x = 36,419.18

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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.