Home / 108,893.07-150,307.67-70,585.03

Finding the Fourth Proportional to 108,893.07, 150,307.67 and 70,585.03

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Solution

The fourth proportional to 108,893.07, 150,307.67 and 70,585.03 is: 97,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,893.07 : 150,307.67 = 70,585.03 : x
  2. Step 2: Convert to fraction form
    108,893.07/150,307.67 = 70,585.03/x
  3. Step 3: Cross multiply
    108,893.07x = 150,307.67 × 70,585.03
  4. Step 4: Simplify right side
    108,893.07x = 10,609,471,396.18
  5. Step 5: Solve for x
    x = 10,609,471,396.18/108,893.07
  6. Step 6: Final answer
    x = 97,430.18

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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.