Home / 107,106.02-147,772.54-61,777.93

Finding the Fourth Proportional to 107,106.02, 147,772.54 and 61,777.93

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Solution

The fourth proportional to 107,106.02, 147,772.54 and 61,777.93 is: 85,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.02 : 147,772.54 = 61,777.93 : x
  2. Step 2: Convert to fraction form
    107,106.02/147,772.54 = 61,777.93/x
  3. Step 3: Cross multiply
    107,106.02x = 147,772.54 × 61,777.93
  4. Step 4: Simplify right side
    107,106.02x = 9,129,080,584.29
  5. Step 5: Solve for x
    x = 9,129,080,584.29/107,106.02
  6. Step 6: Final answer
    x = 85,234.06

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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.