Home / 55,341.49-76,370.89-31,468.16

Finding the Fourth Proportional to 55,341.49, 76,370.89 and 31,468.16

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Solution

The fourth proportional to 55,341.49, 76,370.89 and 31,468.16 is: 43,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.49 : 76,370.89 = 31,468.16 : x
  2. Step 2: Convert to fraction form
    55,341.49/76,370.89 = 31,468.16/x
  3. Step 3: Cross multiply
    55,341.49x = 76,370.89 × 31,468.16
  4. Step 4: Simplify right side
    55,341.49x = 2,403,251,228.52
  5. Step 5: Solve for x
    x = 2,403,251,228.52/55,341.49
  6. Step 6: Final answer
    x = 43,425.85

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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.