Home / 55,341.42-76,370.80-31,468.10

Finding the Fourth Proportional to 55,341.42, 76,370.80 and 31,468.10

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Solution

The fourth proportional to 55,341.42, 76,370.80 and 31,468.10 is: 43,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.42 : 76,370.80 = 31,468.10 : x
  2. Step 2: Convert to fraction form
    55,341.42/76,370.80 = 31,468.10/x
  3. Step 3: Cross multiply
    55,341.42x = 76,370.80 × 31,468.10
  4. Step 4: Simplify right side
    55,341.42x = 2,403,243,589.63
  5. Step 5: Solve for x
    x = 2,403,243,589.63/55,341.42
  6. Step 6: Final answer
    x = 43,425.77

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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.