Home / 79,313.23-109,597.10-57,765.50

Finding the Fourth Proportional to 79,313.23, 109,597.10 and 57,765.50

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Solution

The fourth proportional to 79,313.23, 109,597.10 and 57,765.50 is: 79,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.23 : 109,597.10 = 57,765.50 : x
  2. Step 2: Convert to fraction form
    79,313.23/109,597.10 = 57,765.50/x
  3. Step 3: Cross multiply
    79,313.23x = 109,597.10 × 57,765.50
  4. Step 4: Simplify right side
    79,313.23x = 6,330,931,795.64
  5. Step 5: Solve for x
    x = 6,330,931,795.64/79,313.23
  6. Step 6: Final answer
    x = 79,821.89

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1.5x scale

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.