Home / 66,423.37-99,598.49-45,387.16

Finding the Fourth Proportional to 66,423.37, 99,598.49 and 45,387.16

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Solution

The fourth proportional to 66,423.37, 99,598.49 and 45,387.16 is: 68,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.37 : 99,598.49 = 45,387.16 : x
  2. Step 2: Convert to fraction form
    66,423.37/99,598.49 = 45,387.16/x
  3. Step 3: Cross multiply
    66,423.37x = 99,598.49 × 45,387.16
  4. Step 4: Simplify right side
    66,423.37x = 4,520,492,448.13
  5. Step 5: Solve for x
    x = 4,520,492,448.13/66,423.37
  6. Step 6: Final answer
    x = 68,055.76

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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.