Home / 111,368.84-153,690.05-60,381.44

Finding the Fourth Proportional to 111,368.84, 153,690.05 and 60,381.44

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Solution

The fourth proportional to 111,368.84, 153,690.05 and 60,381.44 is: 83,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,368.84 : 153,690.05 = 60,381.44 : x
  2. Step 2: Convert to fraction form
    111,368.84/153,690.05 = 60,381.44/x
  3. Step 3: Cross multiply
    111,368.84x = 153,690.05 × 60,381.44
  4. Step 4: Simplify right side
    111,368.84x = 9,280,025,462.31
  5. Step 5: Solve for x
    x = 9,280,025,462.31/111,368.84
  6. Step 6: Final answer
    x = 83,326.95

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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.