Home / 94,429.60-141,644.40-64,938.40

Finding the Fourth Proportional to 94,429.60, 141,644.40 and 64,938.40

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Solution

The fourth proportional to 94,429.60, 141,644.40 and 64,938.40 is: 97,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,429.60 : 141,644.40 = 64,938.40 : x
  2. Step 2: Convert to fraction form
    94,429.60/141,644.40 = 64,938.40/x
  3. Step 3: Cross multiply
    94,429.60x = 141,644.40 × 64,938.40
  4. Step 4: Simplify right side
    94,429.60x = 9,198,160,704.96
  5. Step 5: Solve for x
    x = 9,198,160,704.96/94,429.60
  6. Step 6: Final answer
    x = 97,407.60

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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.