Home / 99,740.37-137,622.92-59,457.88

Finding the Fourth Proportional to 99,740.37, 137,622.92 and 59,457.88

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Solution

The fourth proportional to 99,740.37, 137,622.92 and 59,457.88 is: 82,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,740.37 : 137,622.92 = 59,457.88 : x
  2. Step 2: Convert to fraction form
    99,740.37/137,622.92 = 59,457.88/x
  3. Step 3: Cross multiply
    99,740.37x = 137,622.92 × 59,457.88
  4. Step 4: Simplify right side
    99,740.37x = 8,182,766,421.26
  5. Step 5: Solve for x
    x = 8,182,766,421.26/99,740.37
  6. Step 6: Final answer
    x = 82,040.67

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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.