Home / 102,349.78-153,495.51-64,853.26

Finding the Fourth Proportional to 102,349.78, 153,495.51 and 64,853.26

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Solution

The fourth proportional to 102,349.78, 153,495.51 and 64,853.26 is: 97,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,349.78 : 153,495.51 = 64,853.26 : x
  2. Step 2: Convert to fraction form
    102,349.78/153,495.51 = 64,853.26/x
  3. Step 3: Cross multiply
    102,349.78x = 153,495.51 × 64,853.26
  4. Step 4: Simplify right side
    102,349.78x = 9,954,684,218.86
  5. Step 5: Solve for x
    x = 9,954,684,218.86/102,349.78
  6. Step 6: Final answer
    x = 97,261.41

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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.