Home / 98,334.94-147,503.28-31,775.08

Finding the Fourth Proportional to 98,334.94, 147,503.28 and 31,775.08

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Solution

The fourth proportional to 98,334.94, 147,503.28 and 31,775.08 is: 47,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334.94 : 147,503.28 = 31,775.08 : x
  2. Step 2: Convert to fraction form
    98,334.94/147,503.28 = 31,775.08/x
  3. Step 3: Cross multiply
    98,334.94x = 147,503.28 × 31,775.08
  4. Step 4: Simplify right side
    98,334.94x = 4,686,928,522.26
  5. Step 5: Solve for x
    x = 4,686,928,522.26/98,334.94
  6. Step 6: Final answer
    x = 47,662.90

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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.