Home / 105,473.30-145,530.60-62,466.28

Finding the Fourth Proportional to 105,473.30, 145,530.60 and 62,466.28

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Solution

The fourth proportional to 105,473.30, 145,530.60 and 62,466.28 is: 86,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473.30 : 145,530.60 = 62,466.28 : x
  2. Step 2: Convert to fraction form
    105,473.30/145,530.60 = 62,466.28/x
  3. Step 3: Cross multiply
    105,473.30x = 145,530.60 × 62,466.28
  4. Step 4: Simplify right side
    105,473.30x = 9,090,755,208.17
  5. Step 5: Solve for x
    x = 9,090,755,208.17/105,473.30
  6. Step 6: Final answer
    x = 86,190.11

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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.