Home / 98,492.84-147,762.66-31,933.02

Finding the Fourth Proportional to 98,492.84, 147,762.66 and 31,933.02

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Solution

The fourth proportional to 98,492.84, 147,762.66 and 31,933.02 is: 47,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492.84 : 147,762.66 = 31,933.02 : x
  2. Step 2: Convert to fraction form
    98,492.84/147,762.66 = 31,933.02/x
  3. Step 3: Cross multiply
    98,492.84x = 147,762.66 × 31,933.02
  4. Step 4: Simplify right side
    98,492.84x = 4,718,507,977.03
  5. Step 5: Solve for x
    x = 4,718,507,977.03/98,492.84
  6. Step 6: Final answer
    x = 47,907.12

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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.