Home / 85,370.56-117,770.16-53,527.84

Finding the Fourth Proportional to 85,370.56, 117,770.16 and 53,527.84

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Solution

The fourth proportional to 85,370.56, 117,770.16 and 53,527.84 is: 73,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,370.56 : 117,770.16 = 53,527.84 : x
  2. Step 2: Convert to fraction form
    85,370.56/117,770.16 = 53,527.84/x
  3. Step 3: Cross multiply
    85,370.56x = 117,770.16 × 53,527.84
  4. Step 4: Simplify right side
    85,370.56x = 6,303,982,281.25
  5. Step 5: Solve for x
    x = 6,303,982,281.25/85,370.56
  6. Step 6: Final answer
    x = 73,842.58

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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.