Home / 70,422.12-97,182.58-42,134.52

Finding the Fourth Proportional to 70,422.12, 97,182.58 and 42,134.52

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Solution

The fourth proportional to 70,422.12, 97,182.58 and 42,134.52 is: 58,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422.12 : 97,182.58 = 42,134.52 : x
  2. Step 2: Convert to fraction form
    70,422.12/97,182.58 = 42,134.52/x
  3. Step 3: Cross multiply
    70,422.12x = 97,182.58 × 42,134.52
  4. Step 4: Simplify right side
    70,422.12x = 4,094,741,360.66
  5. Step 5: Solve for x
    x = 4,094,741,360.66/70,422.12
  6. Step 6: Final answer
    x = 58,145.67

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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.