Home / 106,810.80-147,398.67-61,472.24

Finding the Fourth Proportional to 106,810.80, 147,398.67 and 61,472.24

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Solution

The fourth proportional to 106,810.80, 147,398.67 and 61,472.24 is: 84,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,810.80 : 147,398.67 = 61,472.24 : x
  2. Step 2: Convert to fraction form
    106,810.80/147,398.67 = 61,472.24/x
  3. Step 3: Cross multiply
    106,810.80x = 147,398.67 × 61,472.24
  4. Step 4: Simplify right side
    106,810.80x = 9,060,926,907.57
  5. Step 5: Solve for x
    x = 9,060,926,907.57/106,810.80
  6. Step 6: Final answer
    x = 84,831.56

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1.5x scale

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.