Home / 98,483.05-147,727.58-38,509.13

Finding the Fourth Proportional to 98,483.05, 147,727.58 and 38,509.13

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Solution

The fourth proportional to 98,483.05, 147,727.58 and 38,509.13 is: 57,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,483.05 : 147,727.58 = 38,509.13 : x
  2. Step 2: Convert to fraction form
    98,483.05/147,727.58 = 38,509.13/x
  3. Step 3: Cross multiply
    98,483.05x = 147,727.58 × 38,509.13
  4. Step 4: Simplify right side
    98,483.05x = 5,688,860,582.81
  5. Step 5: Solve for x
    x = 5,688,860,582.81/98,483.05
  6. Step 6: Final answer
    x = 57,764.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.