Home / 97,688.10-146,422.80-55,588.35

Finding the Fourth Proportional to 97,688.10, 146,422.80 and 55,588.35

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Solution

The fourth proportional to 97,688.10, 146,422.80 and 55,588.35 is: 83,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,688.10 : 146,422.80 = 55,588.35 : x
  2. Step 2: Convert to fraction form
    97,688.10/146,422.80 = 55,588.35/x
  3. Step 3: Cross multiply
    97,688.10x = 146,422.80 × 55,588.35
  4. Step 4: Simplify right side
    97,688.10x = 8,139,401,854.38
  5. Step 5: Solve for x
    x = 8,139,401,854.38/97,688.10
  6. Step 6: Final answer
    x = 83,320.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.