Home / 70,303.06-97,019.90-40,091.28

Finding the Fourth Proportional to 70,303.06, 97,019.90 and 40,091.28

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Solution

The fourth proportional to 70,303.06, 97,019.90 and 40,091.28 is: 55,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.06 : 97,019.90 = 40,091.28 : x
  2. Step 2: Convert to fraction form
    70,303.06/97,019.90 = 40,091.28/x
  3. Step 3: Cross multiply
    70,303.06x = 97,019.90 × 40,091.28
  4. Step 4: Simplify right side
    70,303.06x = 3,889,651,976.47
  5. Step 5: Solve for x
    x = 3,889,651,976.47/70,303.06
  6. Step 6: Final answer
    x = 55,326.92

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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.