Home / 106,777.43-147,389.95-61,473.46

Finding the Fourth Proportional to 106,777.43, 147,389.95 and 61,473.46

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Solution

The fourth proportional to 106,777.43, 147,389.95 and 61,473.46 is: 84,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,777.43 : 147,389.95 = 61,473.46 : x
  2. Step 2: Convert to fraction form
    106,777.43/147,389.95 = 61,473.46/x
  3. Step 3: Cross multiply
    106,777.43x = 147,389.95 × 61,473.46
  4. Step 4: Simplify right side
    106,777.43x = 9,060,570,195.73
  5. Step 5: Solve for x
    x = 9,060,570,195.73/106,777.43
  6. Step 6: Final answer
    x = 84,854.74

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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.