Home / 86,226.44-118,994.75-47,988.56

Finding the Fourth Proportional to 86,226.44, 118,994.75 and 47,988.56

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Solution

The fourth proportional to 86,226.44, 118,994.75 and 47,988.56 is: 66,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226.44 : 118,994.75 = 47,988.56 : x
  2. Step 2: Convert to fraction form
    86,226.44/118,994.75 = 47,988.56/x
  3. Step 3: Cross multiply
    86,226.44x = 118,994.75 × 47,988.56
  4. Step 4: Simplify right side
    86,226.44x = 5,710,386,700.06
  5. Step 5: Solve for x
    x = 5,710,386,700.06/86,226.44
  6. Step 6: Final answer
    x = 66,225.48

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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.