Home / 94,168.49-129,974.90-53,905.50

Finding the Fourth Proportional to 94,168.49, 129,974.90 and 53,905.50

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Solution

The fourth proportional to 94,168.49, 129,974.90 and 53,905.50 is: 74,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,168.49 : 129,974.90 = 53,905.50 : x
  2. Step 2: Convert to fraction form
    94,168.49/129,974.90 = 53,905.50/x
  3. Step 3: Cross multiply
    94,168.49x = 129,974.90 × 53,905.50
  4. Step 4: Simplify right side
    94,168.49x = 7,006,361,702.42
  5. Step 5: Solve for x
    x = 7,006,361,702.42/94,168.49
  6. Step 6: Final answer
    x = 74,402.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.