Home / 70,299.16-97,013.91-38,471.02

Finding the Fourth Proportional to 70,299.16, 97,013.91 and 38,471.02

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Solution

The fourth proportional to 70,299.16, 97,013.91 and 38,471.02 is: 53,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.16 : 97,013.91 = 38,471.02 : x
  2. Step 2: Convert to fraction form
    70,299.16/97,013.91 = 38,471.02/x
  3. Step 3: Cross multiply
    70,299.16x = 97,013.91 × 38,471.02
  4. Step 4: Simplify right side
    70,299.16x = 3,732,224,071.89
  5. Step 5: Solve for x
    x = 3,732,224,071.89/70,299.16
  6. Step 6: Final answer
    x = 53,090.59

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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.