Home / 69,999.12-96,617.16-39,802.14

Finding the Fourth Proportional to 69,999.12, 96,617.16 and 39,802.14

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Solution

The fourth proportional to 69,999.12, 96,617.16 and 39,802.14 is: 54,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,999.12 : 96,617.16 = 39,802.14 : x
  2. Step 2: Convert to fraction form
    69,999.12/96,617.16 = 39,802.14/x
  3. Step 3: Cross multiply
    69,999.12x = 96,617.16 × 39,802.14
  4. Step 4: Simplify right side
    69,999.12x = 3,845,569,728.72
  5. Step 5: Solve for x
    x = 3,845,569,728.72/69,999.12
  6. Step 6: Final answer
    x = 54,937.40

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1.5x scale

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.