Home / 98,623.58-147,740.49-65,242.67

Finding the Fourth Proportional to 98,623.58, 147,740.49 and 65,242.67

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Solution

The fourth proportional to 98,623.58, 147,740.49 and 65,242.67 is: 97,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.58 : 147,740.49 = 65,242.67 : x
  2. Step 2: Convert to fraction form
    98,623.58/147,740.49 = 65,242.67/x
  3. Step 3: Cross multiply
    98,623.58x = 147,740.49 × 65,242.67
  4. Step 4: Simplify right side
    98,623.58x = 9,638,983,296.01
  5. Step 5: Solve for x
    x = 9,638,983,296.01/98,623.58
  6. Step 6: Final answer
    x = 97,735.08

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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.