Home / 89,938.49-134,913.58-29,964.40

Finding the Fourth Proportional to 89,938.49, 134,913.58 and 29,964.40

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Solution

The fourth proportional to 89,938.49, 134,913.58 and 29,964.40 is: 44,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.49 : 134,913.58 = 29,964.40 : x
  2. Step 2: Convert to fraction form
    89,938.49/134,913.58 = 29,964.40/x
  3. Step 3: Cross multiply
    89,938.49x = 134,913.58 × 29,964.40
  4. Step 4: Simplify right side
    89,938.49x = 4,042,604,064.36
  5. Step 5: Solve for x
    x = 4,042,604,064.36/89,938.49
  6. Step 6: Final answer
    x = 44,948.55

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1.5x scale

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.