Home / 103,628.08-155,442.12-41,342.32

Finding the Fourth Proportional to 103,628.08, 155,442.12 and 41,342.32

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Solution

The fourth proportional to 103,628.08, 155,442.12 and 41,342.32 is: 62,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628.08 : 155,442.12 = 41,342.32 : x
  2. Step 2: Convert to fraction form
    103,628.08/155,442.12 = 41,342.32/x
  3. Step 3: Cross multiply
    103,628.08x = 155,442.12 × 41,342.32
  4. Step 4: Simplify right side
    103,628.08x = 6,426,337,866.52
  5. Step 5: Solve for x
    x = 6,426,337,866.52/103,628.08
  6. Step 6: Final answer
    x = 62,013.48

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1.5x scale

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.