Home / 125,012.02-187,442.09-49,019.51

Finding the Fourth Proportional to 125,012.02, 187,442.09 and 49,019.51

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Solution

The fourth proportional to 125,012.02, 187,442.09 and 49,019.51 is: 73,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.02 : 187,442.09 = 49,019.51 : x
  2. Step 2: Convert to fraction form
    125,012.02/187,442.09 = 49,019.51/x
  3. Step 3: Cross multiply
    125,012.02x = 187,442.09 × 49,019.51
  4. Step 4: Simplify right side
    125,012.02x = 9,188,319,405.18
  5. Step 5: Solve for x
    x = 9,188,319,405.18/125,012.02
  6. Step 6: Final answer
    x = 73,499.49

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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.