Home / 85,556.84-118,069.18-47,831.08

Finding the Fourth Proportional to 85,556.84, 118,069.18 and 47,831.08

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Solution

The fourth proportional to 85,556.84, 118,069.18 and 47,831.08 is: 66,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.84 : 118,069.18 = 47,831.08 : x
  2. Step 2: Convert to fraction form
    85,556.84/118,069.18 = 47,831.08/x
  3. Step 3: Cross multiply
    85,556.84x = 118,069.18 × 47,831.08
  4. Step 4: Simplify right side
    85,556.84x = 5,647,376,394.11
  5. Step 5: Solve for x
    x = 5,647,376,394.11/85,556.84
  6. Step 6: Final answer
    x = 66,007.30

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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.