Home / 65,345.76-97,999.92-35,776.80

Finding the Fourth Proportional to 65,345.76, 97,999.92 and 35,776.80

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Solution

The fourth proportional to 65,345.76, 97,999.92 and 35,776.80 is: 53,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,345.76 : 97,999.92 = 35,776.80 : x
  2. Step 2: Convert to fraction form
    65,345.76/97,999.92 = 35,776.80/x
  3. Step 3: Cross multiply
    65,345.76x = 97,999.92 × 35,776.80
  4. Step 4: Simplify right side
    65,345.76x = 3,506,123,537.86
  5. Step 5: Solve for x
    x = 3,506,123,537.86/65,345.76
  6. Step 6: Final answer
    x = 53,654.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.