Home / 69,901.60-96,465.36-38,071.12

Finding the Fourth Proportional to 69,901.60, 96,465.36 and 38,071.12

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Solution

The fourth proportional to 69,901.60, 96,465.36 and 38,071.12 is: 52,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.60 : 96,465.36 = 38,071.12 : x
  2. Step 2: Convert to fraction form
    69,901.60/96,465.36 = 38,071.12/x
  3. Step 3: Cross multiply
    69,901.60x = 96,465.36 × 38,071.12
  4. Step 4: Simplify right side
    69,901.60x = 3,672,544,296.40
  5. Step 5: Solve for x
    x = 3,672,544,296.40/69,901.60
  6. Step 6: Final answer
    x = 52,538.77

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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.