Home / 96,985.77-145,478.66-26,865.11

Finding the Fourth Proportional to 96,985.77, 145,478.66 and 26,865.11

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Solution

The fourth proportional to 96,985.77, 145,478.66 and 26,865.11 is: 40,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,985.77 : 145,478.66 = 26,865.11 : x
  2. Step 2: Convert to fraction form
    96,985.77/145,478.66 = 26,865.11/x
  3. Step 3: Cross multiply
    96,985.77x = 145,478.66 × 26,865.11
  4. Step 4: Simplify right side
    96,985.77x = 3,908,300,203.55
  5. Step 5: Solve for x
    x = 3,908,300,203.55/96,985.77
  6. Step 6: Final answer
    x = 40,297.67

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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.