Home / 94,502.40-141,972.30-64,977.90

Finding the Fourth Proportional to 94,502.40, 141,972.30 and 64,977.90

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Solution

The fourth proportional to 94,502.40, 141,972.30 and 64,977.90 is: 97,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,502.40 : 141,972.30 = 64,977.90 : x
  2. Step 2: Convert to fraction form
    94,502.40/141,972.30 = 64,977.90/x
  3. Step 3: Cross multiply
    94,502.40x = 141,972.30 × 64,977.90
  4. Step 4: Simplify right side
    94,502.40x = 9,225,061,912.17
  5. Step 5: Solve for x
    x = 9,225,061,912.17/94,502.40
  6. Step 6: Final answer
    x = 97,617.22

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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.