Home / 69,985.62-96,581.16-38,156.13

Finding the Fourth Proportional to 69,985.62, 96,581.16 and 38,156.13

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Solution

The fourth proportional to 69,985.62, 96,581.16 and 38,156.13 is: 52,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.62 : 96,581.16 = 38,156.13 : x
  2. Step 2: Convert to fraction form
    69,985.62/96,581.16 = 38,156.13/x
  3. Step 3: Cross multiply
    69,985.62x = 96,581.16 × 38,156.13
  4. Step 4: Simplify right side
    69,985.62x = 3,685,163,296.51
  5. Step 5: Solve for x
    x = 3,685,163,296.51/69,985.62
  6. Step 6: Final answer
    x = 52,656.01

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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.