Home / 98,139.18-147,079.14-35,749.74

Finding the Fourth Proportional to 98,139.18, 147,079.14 and 35,749.74

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Solution

The fourth proportional to 98,139.18, 147,079.14 and 35,749.74 is: 53,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,139.18 : 147,079.14 = 35,749.74 : x
  2. Step 2: Convert to fraction form
    98,139.18/147,079.14 = 35,749.74/x
  3. Step 3: Cross multiply
    98,139.18x = 147,079.14 × 35,749.74
  4. Step 4: Simplify right side
    98,139.18x = 5,258,041,014.42
  5. Step 5: Solve for x
    x = 5,258,041,014.42/98,139.18
  6. Step 6: Final answer
    x = 53,577.39

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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.