Home / 55,370.81-76,411.05-31,497.42

Finding the Fourth Proportional to 55,370.81, 76,411.05 and 31,497.42

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Solution

The fourth proportional to 55,370.81, 76,411.05 and 31,497.42 is: 43,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,370.81 : 76,411.05 = 31,497.42 : x
  2. Step 2: Convert to fraction form
    55,370.81/76,411.05 = 31,497.42/x
  3. Step 3: Cross multiply
    55,370.81x = 76,411.05 × 31,497.42
  4. Step 4: Simplify right side
    55,370.81x = 2,406,750,934.49
  5. Step 5: Solve for x
    x = 2,406,750,934.49/55,370.81
  6. Step 6: Final answer
    x = 43,466.06

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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.