Home / 50,901.07-70,240.31-30,746.05

Finding the Fourth Proportional to 50,901.07, 70,240.31 and 30,746.05

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Solution

The fourth proportional to 50,901.07, 70,240.31 and 30,746.05 is: 42,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.07 : 70,240.31 = 30,746.05 : x
  2. Step 2: Convert to fraction form
    50,901.07/70,240.31 = 30,746.05/x
  3. Step 3: Cross multiply
    50,901.07x = 70,240.31 × 30,746.05
  4. Step 4: Simplify right side
    50,901.07x = 2,159,612,083.28
  5. Step 5: Solve for x
    x = 2,159,612,083.28/50,901.07
  6. Step 6: Final answer
    x = 42,427.64

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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.