Home / 106,828.17-147,420.35-59,080.49

Finding the Fourth Proportional to 106,828.17, 147,420.35 and 59,080.49

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Solution

The fourth proportional to 106,828.17, 147,420.35 and 59,080.49 is: 81,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,828.17 : 147,420.35 = 59,080.49 : x
  2. Step 2: Convert to fraction form
    106,828.17/147,420.35 = 59,080.49/x
  3. Step 3: Cross multiply
    106,828.17x = 147,420.35 × 59,080.49
  4. Step 4: Simplify right side
    106,828.17x = 8,709,666,588.17
  5. Step 5: Solve for x
    x = 8,709,666,588.17/106,828.17
  6. Step 6: Final answer
    x = 81,529.68

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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.