Home / 106,744.17-147,307.09-61,421.25

Finding the Fourth Proportional to 106,744.17, 147,307.09 and 61,421.25

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Solution

The fourth proportional to 106,744.17, 147,307.09 and 61,421.25 is: 84,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,744.17 : 147,307.09 = 61,421.25 : x
  2. Step 2: Convert to fraction form
    106,744.17/147,307.09 = 61,421.25/x
  3. Step 3: Cross multiply
    106,744.17x = 147,307.09 × 61,421.25
  4. Step 4: Simplify right side
    106,744.17x = 9,047,785,753.34
  5. Step 5: Solve for x
    x = 9,047,785,753.34/106,744.17
  6. Step 6: Final answer
    x = 84,761.41

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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.