Home / 121,883.04-182,894.40-65,722.89

Finding the Fourth Proportional to 121,883.04, 182,894.40 and 65,722.89

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Solution

The fourth proportional to 121,883.04, 182,894.40 and 65,722.89 is: 98,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,883.04 : 182,894.40 = 65,722.89 : x
  2. Step 2: Convert to fraction form
    121,883.04/182,894.40 = 65,722.89/x
  3. Step 3: Cross multiply
    121,883.04x = 182,894.40 × 65,722.89
  4. Step 4: Simplify right side
    121,883.04x = 12,020,348,532.82
  5. Step 5: Solve for x
    x = 12,020,348,532.82/121,883.04
  6. Step 6: Final answer
    x = 98,621.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.