Home / 86,153.04-118,873.76-50,336.14

Finding the Fourth Proportional to 86,153.04, 118,873.76 and 50,336.14

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Solution

The fourth proportional to 86,153.04, 118,873.76 and 50,336.14 is: 69,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.04 : 118,873.76 = 50,336.14 : x
  2. Step 2: Convert to fraction form
    86,153.04/118,873.76 = 50,336.14/x
  3. Step 3: Cross multiply
    86,153.04x = 118,873.76 × 50,336.14
  4. Step 4: Simplify right side
    86,153.04x = 5,983,646,225.69
  5. Step 5: Solve for x
    x = 5,983,646,225.69/86,153.04
  6. Step 6: Final answer
    x = 69,453.69

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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.