Home / 86,218.98-118,981.04-48,493.23

Finding the Fourth Proportional to 86,218.98, 118,981.04 and 48,493.23

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Solution

The fourth proportional to 86,218.98, 118,981.04 and 48,493.23 is: 66,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,218.98 : 118,981.04 = 48,493.23 : x
  2. Step 2: Convert to fraction form
    86,218.98/118,981.04 = 48,493.23/x
  3. Step 3: Cross multiply
    86,218.98x = 118,981.04 × 48,493.23
  4. Step 4: Simplify right side
    86,218.98x = 5,769,774,938.36
  5. Step 5: Solve for x
    x = 5,769,774,938.36/86,218.98
  6. Step 6: Final answer
    x = 66,920.01

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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.