Home / 98,927.04-136,518.84-54,215.04

Finding the Fourth Proportional to 98,927.04, 136,518.84 and 54,215.04

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Solution

The fourth proportional to 98,927.04, 136,518.84 and 54,215.04 is: 74,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,927.04 : 136,518.84 = 54,215.04 : x
  2. Step 2: Convert to fraction form
    98,927.04/136,518.84 = 54,215.04/x
  3. Step 3: Cross multiply
    98,927.04x = 136,518.84 × 54,215.04
  4. Step 4: Simplify right side
    98,927.04x = 7,401,374,371.35
  5. Step 5: Solve for x
    x = 7,401,374,371.35/98,927.04
  6. Step 6: Final answer
    x = 74,816.49

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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.