Home / 91,818.83-137,802.06-47,458.58

Finding the Fourth Proportional to 91,818.83, 137,802.06 and 47,458.58

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Solution

The fourth proportional to 91,818.83, 137,802.06 and 47,458.58 is: 71,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.83 : 137,802.06 = 47,458.58 : x
  2. Step 2: Convert to fraction form
    91,818.83/137,802.06 = 47,458.58/x
  3. Step 3: Cross multiply
    91,818.83x = 137,802.06 × 47,458.58
  4. Step 4: Simplify right side
    91,818.83x = 6,539,889,399.66
  5. Step 5: Solve for x
    x = 6,539,889,399.66/91,818.83
  6. Step 6: Final answer
    x = 71,226.01

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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.