Home / 70,416.21-97,182.50-40,205.82

Finding the Fourth Proportional to 70,416.21, 97,182.50 and 40,205.82

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Solution

The fourth proportional to 70,416.21, 97,182.50 and 40,205.82 is: 55,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.21 : 97,182.50 = 40,205.82 : x
  2. Step 2: Convert to fraction form
    70,416.21/97,182.50 = 40,205.82/x
  3. Step 3: Cross multiply
    70,416.21x = 97,182.50 × 40,205.82
  4. Step 4: Simplify right side
    70,416.21x = 3,907,301,901.12
  5. Step 5: Solve for x
    x = 3,907,301,901.12/70,416.21
  6. Step 6: Final answer
    x = 55,488.67

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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.