Home / 98,814.13-136,362.69-53,491.19

Finding the Fourth Proportional to 98,814.13, 136,362.69 and 53,491.19

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Solution

The fourth proportional to 98,814.13, 136,362.69 and 53,491.19 is: 73,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,814.13 : 136,362.69 = 53,491.19 : x
  2. Step 2: Convert to fraction form
    98,814.13/136,362.69 = 53,491.19/x
  3. Step 3: Cross multiply
    98,814.13x = 136,362.69 × 53,491.19
  4. Step 4: Simplify right side
    98,814.13x = 7,294,201,877.89
  5. Step 5: Solve for x
    x = 7,294,201,877.89/98,814.13
  6. Step 6: Final answer
    x = 73,817.40

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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.