Home / 97,897.76-135,096.28-57,613.89

Finding the Fourth Proportional to 97,897.76, 135,096.28 and 57,613.89

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Solution

The fourth proportional to 97,897.76, 135,096.28 and 57,613.89 is: 79,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,897.76 : 135,096.28 = 57,613.89 : x
  2. Step 2: Convert to fraction form
    97,897.76/135,096.28 = 57,613.89/x
  3. Step 3: Cross multiply
    97,897.76x = 135,096.28 × 57,613.89
  4. Step 4: Simplify right side
    97,897.76x = 7,783,422,071.29
  5. Step 5: Solve for x
    x = 7,783,422,071.29/97,897.76
  6. Step 6: Final answer
    x = 79,505.62

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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.