Home / 85,032.36-117,344.70-47,306.64

Finding the Fourth Proportional to 85,032.36, 117,344.70 and 47,306.64

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Solution

The fourth proportional to 85,032.36, 117,344.70 and 47,306.64 is: 65,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.36 : 117,344.70 = 47,306.64 : x
  2. Step 2: Convert to fraction form
    85,032.36/117,344.70 = 47,306.64/x
  3. Step 3: Cross multiply
    85,032.36x = 117,344.70 × 47,306.64
  4. Step 4: Simplify right side
    85,032.36x = 5,551,183,478.81
  5. Step 5: Solve for x
    x = 5,551,183,478.81/85,032.36
  6. Step 6: Final answer
    x = 65,283.19

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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.