Home / 66,007.35-91,089.57-37,332.66

Finding the Fourth Proportional to 66,007.35, 91,089.57 and 37,332.66

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Solution

The fourth proportional to 66,007.35, 91,089.57 and 37,332.66 is: 51,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007.35 : 91,089.57 = 37,332.66 : x
  2. Step 2: Convert to fraction form
    66,007.35/91,089.57 = 37,332.66/x
  3. Step 3: Cross multiply
    66,007.35x = 91,089.57 × 37,332.66
  4. Step 4: Simplify right side
    66,007.35x = 3,400,615,946.36
  5. Step 5: Solve for x
    x = 3,400,615,946.36/66,007.35
  6. Step 6: Final answer
    x = 51,518.75

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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.