Home / 85,361.19-117,787.58-47,637.03

Finding the Fourth Proportional to 85,361.19, 117,787.58 and 47,637.03

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Solution

The fourth proportional to 85,361.19, 117,787.58 and 47,637.03 is: 65,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,361.19 : 117,787.58 = 47,637.03 : x
  2. Step 2: Convert to fraction form
    85,361.19/117,787.58 = 47,637.03/x
  3. Step 3: Cross multiply
    85,361.19x = 117,787.58 × 47,637.03
  4. Step 4: Simplify right side
    85,361.19x = 5,611,050,243.90
  5. Step 5: Solve for x
    x = 5,611,050,243.90/85,361.19
  6. Step 6: Final answer
    x = 65,733.04

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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.