Home / 97,128.09-134,041.55-54,691.29

Finding the Fourth Proportional to 97,128.09, 134,041.55 and 54,691.29

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Solution

The fourth proportional to 97,128.09, 134,041.55 and 54,691.29 is: 75,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,128.09 : 134,041.55 = 54,691.29 : x
  2. Step 2: Convert to fraction form
    97,128.09/134,041.55 = 54,691.29/x
  3. Step 3: Cross multiply
    97,128.09x = 134,041.55 × 54,691.29
  4. Step 4: Simplify right side
    97,128.09x = 7,330,905,009.64
  5. Step 5: Solve for x
    x = 7,330,905,009.64/97,128.09
  6. Step 6: Final answer
    x = 75,476.67

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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.