Home / 107,056.76-147,738.20-59,313.20

Finding the Fourth Proportional to 107,056.76, 147,738.20 and 59,313.20

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Solution

The fourth proportional to 107,056.76, 147,738.20 and 59,313.20 is: 81,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,056.76 : 147,738.20 = 59,313.20 : x
  2. Step 2: Convert to fraction form
    107,056.76/147,738.20 = 59,313.20/x
  3. Step 3: Cross multiply
    107,056.76x = 147,738.20 × 59,313.20
  4. Step 4: Simplify right side
    107,056.76x = 8,762,824,368.98
  5. Step 5: Solve for x
    x = 8,762,824,368.98/107,056.76
  6. Step 6: Final answer
    x = 81,852.14

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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.