Home / 98,211.26-147,381.48-53,869.16

Finding the Fourth Proportional to 98,211.26, 147,381.48 and 53,869.16

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Solution

The fourth proportional to 98,211.26, 147,381.48 and 53,869.16 is: 80,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.26 : 147,381.48 = 53,869.16 : x
  2. Step 2: Convert to fraction form
    98,211.26/147,381.48 = 53,869.16/x
  3. Step 3: Cross multiply
    98,211.26x = 147,381.48 × 53,869.16
  4. Step 4: Simplify right side
    98,211.26x = 7,939,316,527.16
  5. Step 5: Solve for x
    x = 7,939,316,527.16/98,211.26
  6. Step 6: Final answer
    x = 80,839.17

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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.