Home / 109,730.52-151,428.10-59,429.52

Finding the Fourth Proportional to 109,730.52, 151,428.10 and 59,429.52

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Solution

The fourth proportional to 109,730.52, 151,428.10 and 59,429.52 is: 82,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.52 : 151,428.10 = 59,429.52 : x
  2. Step 2: Convert to fraction form
    109,730.52/151,428.10 = 59,429.52/x
  3. Step 3: Cross multiply
    109,730.52x = 151,428.10 × 59,429.52
  4. Step 4: Simplify right side
    109,730.52x = 8,999,299,297.51
  5. Step 5: Solve for x
    x = 8,999,299,297.51/109,730.52
  6. Step 6: Final answer
    x = 82,012.73

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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.