Home / 85,620.79-118,150.27-47,887.75

Finding the Fourth Proportional to 85,620.79, 118,150.27 and 47,887.75

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Solution

The fourth proportional to 85,620.79, 118,150.27 and 47,887.75 is: 66,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,620.79 : 118,150.27 = 47,887.75 : x
  2. Step 2: Convert to fraction form
    85,620.79/118,150.27 = 47,887.75/x
  3. Step 3: Cross multiply
    85,620.79x = 118,150.27 × 47,887.75
  4. Step 4: Simplify right side
    85,620.79x = 5,657,950,592.19
  5. Step 5: Solve for x
    x = 5,657,950,592.19/85,620.79
  6. Step 6: Final answer
    x = 66,081.50

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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.