Home / 71,730.03-98,946.99-43,042.07

Finding the Fourth Proportional to 71,730.03, 98,946.99 and 43,042.07

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Solution

The fourth proportional to 71,730.03, 98,946.99 and 43,042.07 is: 59,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,730.03 : 98,946.99 = 43,042.07 : x
  2. Step 2: Convert to fraction form
    71,730.03/98,946.99 = 43,042.07/x
  3. Step 3: Cross multiply
    71,730.03x = 98,946.99 × 43,042.07
  4. Step 4: Simplify right side
    71,730.03x = 4,258,883,269.87
  5. Step 5: Solve for x
    x = 4,258,883,269.87/71,730.03
  6. Step 6: Final answer
    x = 59,373.78

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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.