Home / 85,607.25-118,141.49-47,366.18

Finding the Fourth Proportional to 85,607.25, 118,141.49 and 47,366.18

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Solution

The fourth proportional to 85,607.25, 118,141.49 and 47,366.18 is: 65,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,607.25 : 118,141.49 = 47,366.18 : x
  2. Step 2: Convert to fraction form
    85,607.25/118,141.49 = 47,366.18/x
  3. Step 3: Cross multiply
    85,607.25x = 118,141.49 × 47,366.18
  4. Step 4: Simplify right side
    85,607.25x = 5,595,911,250.99
  5. Step 5: Solve for x
    x = 5,595,911,250.99/85,607.25
  6. Step 6: Final answer
    x = 65,367.26

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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.