Home / 56,176.40-77,524.01-30,683.49

Finding the Fourth Proportional to 56,176.40, 77,524.01 and 30,683.49

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Solution

The fourth proportional to 56,176.40, 77,524.01 and 30,683.49 is: 42,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.40 : 77,524.01 = 30,683.49 : x
  2. Step 2: Convert to fraction form
    56,176.40/77,524.01 = 30,683.49/x
  3. Step 3: Cross multiply
    56,176.40x = 77,524.01 × 30,683.49
  4. Step 4: Simplify right side
    56,176.40x = 2,378,707,032.18
  5. Step 5: Solve for x
    x = 2,378,707,032.18/56,176.40
  6. Step 6: Final answer
    x = 42,343.53

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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.