Home / 109,428.73-151,011.60-59,127.73

Finding the Fourth Proportional to 109,428.73, 151,011.60 and 59,127.73

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Solution

The fourth proportional to 109,428.73, 151,011.60 and 59,127.73 is: 81,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,428.73 : 151,011.60 = 59,127.73 : x
  2. Step 2: Convert to fraction form
    109,428.73/151,011.60 = 59,127.73/x
  3. Step 3: Cross multiply
    109,428.73x = 151,011.60 × 59,127.73
  4. Step 4: Simplify right side
    109,428.73x = 8,928,973,111.67
  5. Step 5: Solve for x
    x = 8,928,973,111.67/109,428.73
  6. Step 6: Final answer
    x = 81,596.24

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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.