Home / 56,126.19-84,369.71-45,154.74

Finding the Fourth Proportional to 56,126.19, 84,369.71 and 45,154.74

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Solution

The fourth proportional to 56,126.19, 84,369.71 and 45,154.74 is: 67,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.19 : 84,369.71 = 45,154.74 : x
  2. Step 2: Convert to fraction form
    56,126.19/84,369.71 = 45,154.74/x
  3. Step 3: Cross multiply
    56,126.19x = 84,369.71 × 45,154.74
  4. Step 4: Simplify right side
    56,126.19x = 3,809,692,431.81
  5. Step 5: Solve for x
    x = 3,809,692,431.81/56,126.19
  6. Step 6: Final answer
    x = 67,877.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.