Home / 107,009.28-147,675.20-59,261.44

Finding the Fourth Proportional to 107,009.28, 147,675.20 and 59,261.44

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Solution

The fourth proportional to 107,009.28, 147,675.20 and 59,261.44 is: 81,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,009.28 : 147,675.20 = 59,261.44 : x
  2. Step 2: Convert to fraction form
    107,009.28/147,675.20 = 59,261.44/x
  3. Step 3: Cross multiply
    107,009.28x = 147,675.20 × 59,261.44
  4. Step 4: Simplify right side
    107,009.28x = 8,751,445,004.29
  5. Step 5: Solve for x
    x = 8,751,445,004.29/107,009.28
  6. Step 6: Final answer
    x = 81,782.11

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1.5x scale

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.