Home / 70,304.29-97,021.60-40,092.50

Finding the Fourth Proportional to 70,304.29, 97,021.60 and 40,092.50

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Solution

The fourth proportional to 70,304.29, 97,021.60 and 40,092.50 is: 55,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,304.29 : 97,021.60 = 40,092.50 : x
  2. Step 2: Convert to fraction form
    70,304.29/97,021.60 = 40,092.50/x
  3. Step 3: Cross multiply
    70,304.29x = 97,021.60 × 40,092.50
  4. Step 4: Simplify right side
    70,304.29x = 3,889,838,640.32
  5. Step 5: Solve for x
    x = 3,889,838,640.32/70,304.29
  6. Step 6: Final answer
    x = 55,328.61

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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.