Home / 55,126.84-76,077.42-31,253.32

Finding the Fourth Proportional to 55,126.84, 76,077.42 and 31,253.32

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Solution

The fourth proportional to 55,126.84, 76,077.42 and 31,253.32 is: 43,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.84 : 76,077.42 = 31,253.32 : x
  2. Step 2: Convert to fraction form
    55,126.84/76,077.42 = 31,253.32/x
  3. Step 3: Cross multiply
    55,126.84x = 76,077.42 × 31,253.32
  4. Step 4: Simplify right side
    55,126.84x = 2,377,671,952.03
  5. Step 5: Solve for x
    x = 2,377,671,952.03/55,126.84
  6. Step 6: Final answer
    x = 43,130.93

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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.