Home / 85,539.31-118,033.95-47,293.70

Finding the Fourth Proportional to 85,539.31, 118,033.95 and 47,293.70

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Solution

The fourth proportional to 85,539.31, 118,033.95 and 47,293.70 is: 65,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539.31 : 118,033.95 = 47,293.70 : x
  2. Step 2: Convert to fraction form
    85,539.31/118,033.95 = 47,293.70/x
  3. Step 3: Cross multiply
    85,539.31x = 118,033.95 × 47,293.70
  4. Step 4: Simplify right side
    85,539.31x = 5,582,261,630.95
  5. Step 5: Solve for x
    x = 5,582,261,630.95/85,539.31
  6. Step 6: Final answer
    x = 65,259.60

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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.