Home / 85,027.71-117,289.40-53,141.25

Finding the Fourth Proportional to 85,027.71, 117,289.40 and 53,141.25

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Solution

The fourth proportional to 85,027.71, 117,289.40 and 53,141.25 is: 73,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,027.71 : 117,289.40 = 53,141.25 : x
  2. Step 2: Convert to fraction form
    85,027.71/117,289.40 = 53,141.25/x
  3. Step 3: Cross multiply
    85,027.71x = 117,289.40 × 53,141.25
  4. Step 4: Simplify right side
    85,027.71x = 6,232,905,062.04
  5. Step 5: Solve for x
    x = 6,232,905,062.04/85,027.71
  6. Step 6: Final answer
    x = 73,304.40

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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.