Home / 111,369.02-153,690.35-60,381.62

Finding the Fourth Proportional to 111,369.02, 153,690.35 and 60,381.62

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Solution

The fourth proportional to 111,369.02, 153,690.35 and 60,381.62 is: 83,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.02 : 153,690.35 = 60,381.62 : x
  2. Step 2: Convert to fraction form
    111,369.02/153,690.35 = 60,381.62/x
  3. Step 3: Cross multiply
    111,369.02x = 153,690.35 × 60,381.62
  4. Step 4: Simplify right side
    111,369.02x = 9,280,071,542.92
  5. Step 5: Solve for x
    x = 9,280,071,542.92/111,369.02
  6. Step 6: Final answer
    x = 83,327.22

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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.