Home / 66,423.86-99,495.26-53,719.10

Finding the Fourth Proportional to 66,423.86, 99,495.26 and 53,719.10

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Solution

The fourth proportional to 66,423.86, 99,495.26 and 53,719.10 is: 80,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.86 : 99,495.26 = 53,719.10 : x
  2. Step 2: Convert to fraction form
    66,423.86/99,495.26 = 53,719.10/x
  3. Step 3: Cross multiply
    66,423.86x = 99,495.26 × 53,719.10
  4. Step 4: Simplify right side
    66,423.86x = 5,344,795,821.47
  5. Step 5: Solve for x
    x = 5,344,795,821.47/66,423.86
  6. Step 6: Final answer
    x = 80,465.00

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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.