Home / 106,929.64-147,565.98-59,187.43

Finding the Fourth Proportional to 106,929.64, 147,565.98 and 59,187.43

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Solution

The fourth proportional to 106,929.64, 147,565.98 and 59,187.43 is: 81,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.64 : 147,565.98 = 59,187.43 : x
  2. Step 2: Convert to fraction form
    106,929.64/147,565.98 = 59,187.43/x
  3. Step 3: Cross multiply
    106,929.64x = 147,565.98 × 59,187.43
  4. Step 4: Simplify right side
    106,929.64x = 8,734,051,111.63
  5. Step 5: Solve for x
    x = 8,734,051,111.63/106,929.64
  6. Step 6: Final answer
    x = 81,680.36

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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.