Home / 70,459.37-97,230.87-42,180.65

Finding the Fourth Proportional to 70,459.37, 97,230.87 and 42,180.65

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Solution

The fourth proportional to 70,459.37, 97,230.87 and 42,180.65 is: 58,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459.37 : 97,230.87 = 42,180.65 : x
  2. Step 2: Convert to fraction form
    70,459.37/97,230.87 = 42,180.65/x
  3. Step 3: Cross multiply
    70,459.37x = 97,230.87 × 42,180.65
  4. Step 4: Simplify right side
    70,459.37x = 4,101,261,296.67
  5. Step 5: Solve for x
    x = 4,101,261,296.67/70,459.37
  6. Step 6: Final answer
    x = 58,207.46

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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.