Home / 106,939.68-147,574.88-59,191.98

Finding the Fourth Proportional to 106,939.68, 147,574.88 and 59,191.98

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Solution

The fourth proportional to 106,939.68, 147,574.88 and 59,191.98 is: 81,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,939.68 : 147,574.88 = 59,191.98 : x
  2. Step 2: Convert to fraction form
    106,939.68/147,574.88 = 59,191.98/x
  3. Step 3: Cross multiply
    106,939.68x = 147,574.88 × 59,191.98
  4. Step 4: Simplify right side
    106,939.68x = 8,735,249,345.46
  5. Step 5: Solve for x
    x = 8,735,249,345.46/106,939.68
  6. Step 6: Final answer
    x = 81,683.89

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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.