Home / 93,458.21-129,113.01-61,269.30

Finding the Fourth Proportional to 93,458.21, 129,113.01 and 61,269.30

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Solution

The fourth proportional to 93,458.21, 129,113.01 and 61,269.30 is: 84,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,458.21 : 129,113.01 = 61,269.30 : x
  2. Step 2: Convert to fraction form
    93,458.21/129,113.01 = 61,269.30/x
  3. Step 3: Cross multiply
    93,458.21x = 129,113.01 × 61,269.30
  4. Step 4: Simplify right side
    93,458.21x = 7,910,663,743.59
  5. Step 5: Solve for x
    x = 7,910,663,743.59/93,458.21
  6. Step 6: Final answer
    x = 84,643.87

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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.