Home / 85,223.52-117,606.06-53,409.96

Finding the Fourth Proportional to 85,223.52, 117,606.06 and 53,409.96

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Solution

The fourth proportional to 85,223.52, 117,606.06 and 53,409.96 is: 73,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.52 : 117,606.06 = 53,409.96 : x
  2. Step 2: Convert to fraction form
    85,223.52/117,606.06 = 53,409.96/x
  3. Step 3: Cross multiply
    85,223.52x = 117,606.06 × 53,409.96
  4. Step 4: Simplify right side
    85,223.52x = 6,281,334,960.36
  5. Step 5: Solve for x
    x = 6,281,334,960.36/85,223.52
  6. Step 6: Final answer
    x = 73,704.24

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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.