Home / 71,946.31-99,293.30-43,275.19

Finding the Fourth Proportional to 71,946.31, 99,293.30 and 43,275.19

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Solution

The fourth proportional to 71,946.31, 99,293.30 and 43,275.19 is: 59,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946.31 : 99,293.30 = 43,275.19 : x
  2. Step 2: Convert to fraction form
    71,946.31/99,293.30 = 43,275.19/x
  3. Step 3: Cross multiply
    71,946.31x = 99,293.30 × 43,275.19
  4. Step 4: Simplify right side
    71,946.31x = 4,296,936,423.23
  5. Step 5: Solve for x
    x = 4,296,936,423.23/71,946.31
  6. Step 6: Final answer
    x = 59,724.21

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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.