Home / 98,266.20-147,428.22-31,705.08

Finding the Fourth Proportional to 98,266.20, 147,428.22 and 31,705.08

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Solution

The fourth proportional to 98,266.20, 147,428.22 and 31,705.08 is: 47,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266.20 : 147,428.22 = 31,705.08 : x
  2. Step 2: Convert to fraction form
    98,266.20/147,428.22 = 31,705.08/x
  3. Step 3: Cross multiply
    98,266.20x = 147,428.22 × 31,705.08
  4. Step 4: Simplify right side
    98,266.20x = 4,674,223,509.36
  5. Step 5: Solve for x
    x = 4,674,223,509.36/98,266.20
  6. Step 6: Final answer
    x = 47,566.95

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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.