Home / 123,602.08-185,458.40-57,006.60

Finding the Fourth Proportional to 123,602.08, 185,458.40 and 57,006.60

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Solution

The fourth proportional to 123,602.08, 185,458.40 and 57,006.60 is: 85,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,602.08 : 185,458.40 = 57,006.60 : x
  2. Step 2: Convert to fraction form
    123,602.08/185,458.40 = 57,006.60/x
  3. Step 3: Cross multiply
    123,602.08x = 185,458.40 × 57,006.60
  4. Step 4: Simplify right side
    123,602.08x = 10,572,352,825.44
  5. Step 5: Solve for x
    x = 10,572,352,825.44/123,602.08
  6. Step 6: Final answer
    x = 85,535.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.