Home / 66,582.93-91,873.53-39,355.23

Finding the Fourth Proportional to 66,582.93, 91,873.53 and 39,355.23

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Solution

The fourth proportional to 66,582.93, 91,873.53 and 39,355.23 is: 54,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.93 : 91,873.53 = 39,355.23 : x
  2. Step 2: Convert to fraction form
    66,582.93/91,873.53 = 39,355.23/x
  3. Step 3: Cross multiply
    66,582.93x = 91,873.53 × 39,355.23
  4. Step 4: Simplify right side
    66,582.93x = 3,615,703,904.06
  5. Step 5: Solve for x
    x = 3,615,703,904.06/66,582.93
  6. Step 6: Final answer
    x = 54,303.77

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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.