Home / 70,302.06-97,018.52-40,090.28

Finding the Fourth Proportional to 70,302.06, 97,018.52 and 40,090.28

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Solution

The fourth proportional to 70,302.06, 97,018.52 and 40,090.28 is: 55,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,302.06 : 97,018.52 = 40,090.28 : x
  2. Step 2: Convert to fraction form
    70,302.06/97,018.52 = 40,090.28/x
  3. Step 3: Cross multiply
    70,302.06x = 97,018.52 × 40,090.28
  4. Step 4: Simplify right side
    70,302.06x = 3,889,498,946.44
  5. Step 5: Solve for x
    x = 3,889,498,946.44/70,302.06
  6. Step 6: Final answer
    x = 55,325.53

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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.