Home / 106,901.24-147,539.37-61,570.40

Finding the Fourth Proportional to 106,901.24, 147,539.37 and 61,570.40

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Solution

The fourth proportional to 106,901.24, 147,539.37 and 61,570.40 is: 84,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.24 : 147,539.37 = 61,570.40 : x
  2. Step 2: Convert to fraction form
    106,901.24/147,539.37 = 61,570.40/x
  3. Step 3: Cross multiply
    106,901.24x = 147,539.37 × 61,570.40
  4. Step 4: Simplify right side
    106,901.24x = 9,084,058,026.65
  5. Step 5: Solve for x
    x = 9,084,058,026.65/106,901.24
  6. Step 6: Final answer
    x = 84,976.17

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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.