Home / 56,616.45-84,803.76-43,139.67

Finding the Fourth Proportional to 56,616.45, 84,803.76 and 43,139.67

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Solution

The fourth proportional to 56,616.45, 84,803.76 and 43,139.67 is: 64,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,616.45 : 84,803.76 = 43,139.67 : x
  2. Step 2: Convert to fraction form
    56,616.45/84,803.76 = 43,139.67/x
  3. Step 3: Cross multiply
    56,616.45x = 84,803.76 × 43,139.67
  4. Step 4: Simplify right side
    56,616.45x = 3,658,406,221.16
  5. Step 5: Solve for x
    x = 3,658,406,221.16/56,616.45
  6. Step 6: Final answer
    x = 64,617.37

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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.