Home / 102,436.72-153,560.44-64,883.22

Finding the Fourth Proportional to 102,436.72, 153,560.44 and 64,883.22

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Solution

The fourth proportional to 102,436.72, 153,560.44 and 64,883.22 is: 97,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,436.72 : 153,560.44 = 64,883.22 : x
  2. Step 2: Convert to fraction form
    102,436.72/153,560.44 = 64,883.22/x
  3. Step 3: Cross multiply
    102,436.72x = 153,560.44 × 64,883.22
  4. Step 4: Simplify right side
    102,436.72x = 9,963,495,811.82
  5. Step 5: Solve for x
    x = 9,963,495,811.82/102,436.72
  6. Step 6: Final answer
    x = 97,264.89

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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.