Home / 66,723.69-92,112.01-38,423.91

Finding the Fourth Proportional to 66,723.69, 92,112.01 and 38,423.91

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Solution

The fourth proportional to 66,723.69, 92,112.01 and 38,423.91 is: 53,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,723.69 : 92,112.01 = 38,423.91 : x
  2. Step 2: Convert to fraction form
    66,723.69/92,112.01 = 38,423.91/x
  3. Step 3: Cross multiply
    66,723.69x = 92,112.01 × 38,423.91
  4. Step 4: Simplify right side
    66,723.69x = 3,539,303,486.10
  5. Step 5: Solve for x
    x = 3,539,303,486.10/66,723.69
  6. Step 6: Final answer
    x = 53,044.18

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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.