Home / 97,515.14-146,153.03-55,430.46

Finding the Fourth Proportional to 97,515.14, 146,153.03 and 55,430.46

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Solution

The fourth proportional to 97,515.14, 146,153.03 and 55,430.46 is: 83,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,515.14 : 146,153.03 = 55,430.46 : x
  2. Step 2: Convert to fraction form
    97,515.14/146,153.03 = 55,430.46/x
  3. Step 3: Cross multiply
    97,515.14x = 146,153.03 × 55,430.46
  4. Step 4: Simplify right side
    97,515.14x = 8,101,329,406.14
  5. Step 5: Solve for x
    x = 8,101,329,406.14/97,515.14
  6. Step 6: Final answer
    x = 83,077.66

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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.