Home / 66,306.86-91,511.28-37,240.01

Finding the Fourth Proportional to 66,306.86, 91,511.28 and 37,240.01

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Solution

The fourth proportional to 66,306.86, 91,511.28 and 37,240.01 is: 51,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,306.86 : 91,511.28 = 37,240.01 : x
  2. Step 2: Convert to fraction form
    66,306.86/91,511.28 = 37,240.01/x
  3. Step 3: Cross multiply
    66,306.86x = 91,511.28 × 37,240.01
  4. Step 4: Simplify right side
    66,306.86x = 3,407,881,117.99
  5. Step 5: Solve for x
    x = 3,407,881,117.99/66,306.86
  6. Step 6: Final answer
    x = 51,395.60

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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.