Home / 85,809.30-118,397.52-51,823.32

Finding the Fourth Proportional to 85,809.30, 118,397.52 and 51,823.32

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Solution

The fourth proportional to 85,809.30, 118,397.52 and 51,823.32 is: 71,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,809.30 : 118,397.52 = 51,823.32 : x
  2. Step 2: Convert to fraction form
    85,809.30/118,397.52 = 51,823.32/x
  3. Step 3: Cross multiply
    85,809.30x = 118,397.52 × 51,823.32
  4. Step 4: Simplify right side
    85,809.30x = 6,135,752,566.17
  5. Step 5: Solve for x
    x = 6,135,752,566.17/85,809.30
  6. Step 6: Final answer
    x = 71,504.52

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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.