Home / 70,012.31-96,622.73-39,807.11

Finding the Fourth Proportional to 70,012.31, 96,622.73 and 39,807.11

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Solution

The fourth proportional to 70,012.31, 96,622.73 and 39,807.11 is: 54,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.31 : 96,622.73 = 39,807.11 : x
  2. Step 2: Convert to fraction form
    70,012.31/96,622.73 = 39,807.11/x
  3. Step 3: Cross multiply
    70,012.31x = 96,622.73 × 39,807.11
  4. Step 4: Simplify right side
    70,012.31x = 3,846,271,641.61
  5. Step 5: Solve for x
    x = 3,846,271,641.61/70,012.31
  6. Step 6: Final answer
    x = 54,937.08

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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.