Home / 85,750.01-118,334.88-47,513.04

Finding the Fourth Proportional to 85,750.01, 118,334.88 and 47,513.04

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Solution

The fourth proportional to 85,750.01, 118,334.88 and 47,513.04 is: 65,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,750.01 : 118,334.88 = 47,513.04 : x
  2. Step 2: Convert to fraction form
    85,750.01/118,334.88 = 47,513.04/x
  3. Step 3: Cross multiply
    85,750.01x = 118,334.88 × 47,513.04
  4. Step 4: Simplify right side
    85,750.01x = 5,622,449,886.84
  5. Step 5: Solve for x
    x = 5,622,449,886.84/85,750.01
  6. Step 6: Final answer
    x = 65,567.92

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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.