Home / 102,575.30-153,790.05-46,442.30

Finding the Fourth Proportional to 102,575.30, 153,790.05 and 46,442.30

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Solution

The fourth proportional to 102,575.30, 153,790.05 and 46,442.30 is: 69,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,575.30 : 153,790.05 = 46,442.30 : x
  2. Step 2: Convert to fraction form
    102,575.30/153,790.05 = 46,442.30/x
  3. Step 3: Cross multiply
    102,575.30x = 153,790.05 × 46,442.30
  4. Step 4: Simplify right side
    102,575.30x = 7,142,363,639.12
  5. Step 5: Solve for x
    x = 7,142,363,639.12/102,575.30
  6. Step 6: Final answer
    x = 69,630.44

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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.