Home / 85,626.04-118,157.52-47,893

Finding the Fourth Proportional to 85,626.04, 118,157.52 and 47,893

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Solution

The fourth proportional to 85,626.04, 118,157.52 and 47,893 is: 66,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,626.04 : 118,157.52 = 47,893 : x
  2. Step 2: Convert to fraction form
    85,626.04/118,157.52 = 47,893/x
  3. Step 3: Cross multiply
    85,626.04x = 118,157.52 × 47,893
  4. Step 4: Simplify right side
    85,626.04x = 5,658,918,105.36
  5. Step 5: Solve for x
    x = 5,658,918,105.36/85,626.04
  6. Step 6: Final answer
    x = 66,088.75

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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.