Home / 106,777.81-147,351.18-59,030.11

Finding the Fourth Proportional to 106,777.81, 147,351.18 and 59,030.11

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Solution

The fourth proportional to 106,777.81, 147,351.18 and 59,030.11 is: 81,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,777.81 : 147,351.18 = 59,030.11 : x
  2. Step 2: Convert to fraction form
    106,777.81/147,351.18 = 59,030.11/x
  3. Step 3: Cross multiply
    106,777.81x = 147,351.18 × 59,030.11
  4. Step 4: Simplify right side
    106,777.81x = 8,698,156,364.03
  5. Step 5: Solve for x
    x = 8,698,156,364.03/106,777.81
  6. Step 6: Final answer
    x = 81,460.34

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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.