Home / 106,783.55-147,355.40-59,034.05

Finding the Fourth Proportional to 106,783.55, 147,355.40 and 59,034.05

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Solution

The fourth proportional to 106,783.55, 147,355.40 and 59,034.05 is: 81,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,783.55 : 147,355.40 = 59,034.05 : x
  2. Step 2: Convert to fraction form
    106,783.55/147,355.40 = 59,034.05/x
  3. Step 3: Cross multiply
    106,783.55x = 147,355.40 × 59,034.05
  4. Step 4: Simplify right side
    106,783.55x = 8,698,985,462.18
  5. Step 5: Solve for x
    x = 8,698,985,462.18/106,783.55
  6. Step 6: Final answer
    x = 81,463.73

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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.