Home / 91,851.04-137,827.59-49,730.50

Finding the Fourth Proportional to 91,851.04, 137,827.59 and 49,730.50

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Solution

The fourth proportional to 91,851.04, 137,827.59 and 49,730.50 is: 74,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,851.04 : 137,827.59 = 49,730.50 : x
  2. Step 2: Convert to fraction form
    91,851.04/137,827.59 = 49,730.50/x
  3. Step 3: Cross multiply
    91,851.04x = 137,827.59 × 49,730.50
  4. Step 4: Simplify right side
    91,851.04x = 6,854,234,964.50
  5. Step 5: Solve for x
    x = 6,854,234,964.50/91,851.04
  6. Step 6: Final answer
    x = 74,623.38

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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.