Home / 85,956.16-118,611.52-48,223.04

Finding the Fourth Proportional to 85,956.16, 118,611.52 and 48,223.04

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Solution

The fourth proportional to 85,956.16, 118,611.52 and 48,223.04 is: 66,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,956.16 : 118,611.52 = 48,223.04 : x
  2. Step 2: Convert to fraction form
    85,956.16/118,611.52 = 48,223.04/x
  3. Step 3: Cross multiply
    85,956.16x = 118,611.52 × 48,223.04
  4. Step 4: Simplify right side
    85,956.16x = 5,719,808,073.42
  5. Step 5: Solve for x
    x = 5,719,808,073.42/85,956.16
  6. Step 6: Final answer
    x = 66,543.32

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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.