Home / 97,640.34-146,407.81-44,303.21

Finding the Fourth Proportional to 97,640.34, 146,407.81 and 44,303.21

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Solution

The fourth proportional to 97,640.34, 146,407.81 and 44,303.21 is: 66,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,640.34 : 146,407.81 = 44,303.21 : x
  2. Step 2: Convert to fraction form
    97,640.34/146,407.81 = 44,303.21/x
  3. Step 3: Cross multiply
    97,640.34x = 146,407.81 × 44,303.21
  4. Step 4: Simplify right side
    97,640.34x = 6,486,335,952.07
  5. Step 5: Solve for x
    x = 6,486,335,952.07/97,640.34
  6. Step 6: Final answer
    x = 66,430.90

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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.