Home / 98,895.42-136,476.09-53,573.49

Finding the Fourth Proportional to 98,895.42, 136,476.09 and 53,573.49

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Solution

The fourth proportional to 98,895.42, 136,476.09 and 53,573.49 is: 73,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.42 : 136,476.09 = 53,573.49 : x
  2. Step 2: Convert to fraction form
    98,895.42/136,476.09 = 53,573.49/x
  3. Step 3: Cross multiply
    98,895.42x = 136,476.09 × 53,573.49
  4. Step 4: Simplify right side
    98,895.42x = 7,311,500,442.85
  5. Step 5: Solve for x
    x = 7,311,500,442.85/98,895.42
  6. Step 6: Final answer
    x = 73,931.64

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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.