Home / 99,397.44-149,097.36-39,440.64

Finding the Fourth Proportional to 99,397.44, 149,097.36 and 39,440.64

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Solution

The fourth proportional to 99,397.44, 149,097.36 and 39,440.64 is: 59,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397.44 : 149,097.36 = 39,440.64 : x
  2. Step 2: Convert to fraction form
    99,397.44/149,097.36 = 39,440.64/x
  3. Step 3: Cross multiply
    99,397.44x = 149,097.36 × 39,440.64
  4. Step 4: Simplify right side
    99,397.44x = 5,880,495,300.71
  5. Step 5: Solve for x
    x = 5,880,495,300.71/99,397.44
  6. Step 6: Final answer
    x = 59,161.44

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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.