Home / 91,623.01-137,450.91-47,237.84

Finding the Fourth Proportional to 91,623.01, 137,450.91 and 47,237.84

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Solution

The fourth proportional to 91,623.01, 137,450.91 and 47,237.84 is: 70,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.01 : 137,450.91 = 47,237.84 : x
  2. Step 2: Convert to fraction form
    91,623.01/137,450.91 = 47,237.84/x
  3. Step 3: Cross multiply
    91,623.01x = 137,450.91 × 47,237.84
  4. Step 4: Simplify right side
    91,623.01x = 6,492,884,094.43
  5. Step 5: Solve for x
    x = 6,492,884,094.43/91,623.01
  6. Step 6: Final answer
    x = 70,865.21

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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.