Home / 115,810.92-173,685.08-40,921.16

Finding the Fourth Proportional to 115,810.92, 173,685.08 and 40,921.16

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Solution

The fourth proportional to 115,810.92, 173,685.08 and 40,921.16 is: 61,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,810.92 : 173,685.08 = 40,921.16 : x
  2. Step 2: Convert to fraction form
    115,810.92/173,685.08 = 40,921.16/x
  3. Step 3: Cross multiply
    115,810.92x = 173,685.08 × 40,921.16
  4. Step 4: Simplify right side
    115,810.92x = 7,107,393,875.26
  5. Step 5: Solve for x
    x = 7,107,393,875.26/115,810.92
  6. Step 6: Final answer
    x = 61,370.67

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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.