Home / 48,126.25-66,370.98-31,112.56

Finding the Fourth Proportional to 48,126.25, 66,370.98 and 31,112.56

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Solution

The fourth proportional to 48,126.25, 66,370.98 and 31,112.56 is: 42,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126.25 : 66,370.98 = 31,112.56 : x
  2. Step 2: Convert to fraction form
    48,126.25/66,370.98 = 31,112.56/x
  3. Step 3: Cross multiply
    48,126.25x = 66,370.98 × 31,112.56
  4. Step 4: Simplify right side
    48,126.25x = 2,064,971,097.51
  5. Step 5: Solve for x
    x = 2,064,971,097.51/48,126.25
  6. Step 6: Final answer
    x = 42,907.38

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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.