Home / 93,530.06-129,063.11-57,731.60

Finding the Fourth Proportional to 93,530.06, 129,063.11 and 57,731.60

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Solution

The fourth proportional to 93,530.06, 129,063.11 and 57,731.60 is: 79,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,530.06 : 129,063.11 = 57,731.60 : x
  2. Step 2: Convert to fraction form
    93,530.06/129,063.11 = 57,731.60/x
  3. Step 3: Cross multiply
    93,530.06x = 129,063.11 × 57,731.60
  4. Step 4: Simplify right side
    93,530.06x = 7,451,018,907.30
  5. Step 5: Solve for x
    x = 7,451,018,907.30/93,530.06
  6. Step 6: Final answer
    x = 79,664.43

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1.5x scale

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.