Home / 102,866.98-141,938.58-60,434.32

Finding the Fourth Proportional to 102,866.98, 141,938.58 and 60,434.32

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Solution

The fourth proportional to 102,866.98, 141,938.58 and 60,434.32 is: 83,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,866.98 : 141,938.58 = 60,434.32 : x
  2. Step 2: Convert to fraction form
    102,866.98/141,938.58 = 60,434.32/x
  3. Step 3: Cross multiply
    102,866.98x = 141,938.58 × 60,434.32
  4. Step 4: Simplify right side
    102,866.98x = 8,577,961,564.07
  5. Step 5: Solve for x
    x = 8,577,961,564.07/102,866.98
  6. Step 6: Final answer
    x = 83,388.87

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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.