Home / 70,530.14-97,333.30-38,699.02

Finding the Fourth Proportional to 70,530.14, 97,333.30 and 38,699.02

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Solution

The fourth proportional to 70,530.14, 97,333.30 and 38,699.02 is: 53,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,530.14 : 97,333.30 = 38,699.02 : x
  2. Step 2: Convert to fraction form
    70,530.14/97,333.30 = 38,699.02/x
  3. Step 3: Cross multiply
    70,530.14x = 97,333.30 × 38,699.02
  4. Step 4: Simplify right side
    70,530.14x = 3,766,702,728.22
  5. Step 5: Solve for x
    x = 3,766,702,728.22/70,530.14
  6. Step 6: Final answer
    x = 53,405.57

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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.