Home / 85,680.41-118,235.07-47,437.25

Finding the Fourth Proportional to 85,680.41, 118,235.07 and 47,437.25

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Solution

The fourth proportional to 85,680.41, 118,235.07 and 47,437.25 is: 65,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680.41 : 118,235.07 = 47,437.25 : x
  2. Step 2: Convert to fraction form
    85,680.41/118,235.07 = 47,437.25/x
  3. Step 3: Cross multiply
    85,680.41x = 118,235.07 × 47,437.25
  4. Step 4: Simplify right side
    85,680.41x = 5,608,745,983.18
  5. Step 5: Solve for x
    x = 5,608,745,983.18/85,680.41
  6. Step 6: Final answer
    x = 65,461.24

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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.