Home / 104,875.09-157,251.88-71,635.32

Finding the Fourth Proportional to 104,875.09, 157,251.88 and 71,635.32

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Solution

The fourth proportional to 104,875.09, 157,251.88 and 71,635.32 is: 107,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,875.09 : 157,251.88 = 71,635.32 : x
  2. Step 2: Convert to fraction form
    104,875.09/157,251.88 = 71,635.32/x
  3. Step 3: Cross multiply
    104,875.09x = 157,251.88 × 71,635.32
  4. Step 4: Simplify right side
    104,875.09x = 11,264,788,744.40
  5. Step 5: Solve for x
    x = 11,264,788,744.40/104,875.09
  6. Step 6: Final answer
    x = 107,411.48

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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.