Home / 69,881.16-96,438.06-38,051.40

Finding the Fourth Proportional to 69,881.16, 96,438.06 and 38,051.40

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Solution

The fourth proportional to 69,881.16, 96,438.06 and 38,051.40 is: 52,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,881.16 : 96,438.06 = 38,051.40 : x
  2. Step 2: Convert to fraction form
    69,881.16/96,438.06 = 38,051.40/x
  3. Step 3: Cross multiply
    69,881.16x = 96,438.06 × 38,051.40
  4. Step 4: Simplify right side
    69,881.16x = 3,669,603,196.28
  5. Step 5: Solve for x
    x = 3,669,603,196.28/69,881.16
  6. Step 6: Final answer
    x = 52,512.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.