Home / 97,447.32-134,434.44-57,140.64

Finding the Fourth Proportional to 97,447.32, 134,434.44 and 57,140.64

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Solution

The fourth proportional to 97,447.32, 134,434.44 and 57,140.64 is: 78,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,447.32 : 134,434.44 = 57,140.64 : x
  2. Step 2: Convert to fraction form
    97,447.32/134,434.44 = 57,140.64/x
  3. Step 3: Cross multiply
    97,447.32x = 134,434.44 × 57,140.64
  4. Step 4: Simplify right side
    97,447.32x = 7,681,669,939.64
  5. Step 5: Solve for x
    x = 7,681,669,939.64/97,447.32
  6. Step 6: Final answer
    x = 78,828.95

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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.