Home / 85,753.08-118,346.58-49,946.40

Finding the Fourth Proportional to 85,753.08, 118,346.58 and 49,946.40

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Solution

The fourth proportional to 85,753.08, 118,346.58 and 49,946.40 is: 68,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,753.08 : 118,346.58 = 49,946.40 : x
  2. Step 2: Convert to fraction form
    85,753.08/118,346.58 = 49,946.40/x
  3. Step 3: Cross multiply
    85,753.08x = 118,346.58 × 49,946.40
  4. Step 4: Simplify right side
    85,753.08x = 5,910,985,623.31
  5. Step 5: Solve for x
    x = 5,910,985,623.31/85,753.08
  6. Step 6: Final answer
    x = 68,930.30

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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.