Home / 101,350.14-139,875.36-58,908.67

Finding the Fourth Proportional to 101,350.14, 139,875.36 and 58,908.67

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Solution

The fourth proportional to 101,350.14, 139,875.36 and 58,908.67 is: 81,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,350.14 : 139,875.36 = 58,908.67 : x
  2. Step 2: Convert to fraction form
    101,350.14/139,875.36 = 58,908.67/x
  3. Step 3: Cross multiply
    101,350.14x = 139,875.36 × 58,908.67
  4. Step 4: Simplify right side
    101,350.14x = 8,239,870,852.78
  5. Step 5: Solve for x
    x = 8,239,870,852.78/101,350.14
  6. Step 6: Final answer
    x = 81,301.03

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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.