Home / 106,701.03-147,206.16-61,371.81

Finding the Fourth Proportional to 106,701.03, 147,206.16 and 61,371.81

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Solution

The fourth proportional to 106,701.03, 147,206.16 and 61,371.81 is: 84,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,701.03 : 147,206.16 = 61,371.81 : x
  2. Step 2: Convert to fraction form
    106,701.03/147,206.16 = 61,371.81/x
  3. Step 3: Cross multiply
    106,701.03x = 147,206.16 × 61,371.81
  4. Step 4: Simplify right side
    106,701.03x = 9,034,308,482.35
  5. Step 5: Solve for x
    x = 9,034,308,482.35/106,701.03
  6. Step 6: Final answer
    x = 84,669.37

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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.