Home / 74,386.18-102,623.25-47,521.72

Finding the Fourth Proportional to 74,386.18, 102,623.25 and 47,521.72

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Solution

The fourth proportional to 74,386.18, 102,623.25 and 47,521.72 is: 65,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,386.18 : 102,623.25 = 47,521.72 : x
  2. Step 2: Convert to fraction form
    74,386.18/102,623.25 = 47,521.72/x
  3. Step 3: Cross multiply
    74,386.18x = 102,623.25 × 47,521.72
  4. Step 4: Simplify right side
    74,386.18x = 4,876,833,351.99
  5. Step 5: Solve for x
    x = 4,876,833,351.99/74,386.18
  6. Step 6: Final answer
    x = 65,561.01

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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.