Home / 86,648.04-119,573.28-48,405.15

Finding the Fourth Proportional to 86,648.04, 119,573.28 and 48,405.15

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Solution

The fourth proportional to 86,648.04, 119,573.28 and 48,405.15 is: 66,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,648.04 : 119,573.28 = 48,405.15 : x
  2. Step 2: Convert to fraction form
    86,648.04/119,573.28 = 48,405.15/x
  3. Step 3: Cross multiply
    86,648.04x = 119,573.28 × 48,405.15
  4. Step 4: Simplify right side
    86,648.04x = 5,787,962,554.39
  5. Step 5: Solve for x
    x = 5,787,962,554.39/86,648.04
  6. Step 6: Final answer
    x = 66,798.54

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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.