Home / 51,420.19-76,916.98-48,270.91

Finding the Fourth Proportional to 51,420.19, 76,916.98 and 48,270.91

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Solution

The fourth proportional to 51,420.19, 76,916.98 and 48,270.91 is: 72,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.19 : 76,916.98 = 48,270.91 : x
  2. Step 2: Convert to fraction form
    51,420.19/76,916.98 = 48,270.91/x
  3. Step 3: Cross multiply
    51,420.19x = 76,916.98 × 48,270.91
  4. Step 4: Simplify right side
    51,420.19x = 3,712,852,619.05
  5. Step 5: Solve for x
    x = 3,712,852,619.05/51,420.19
  6. Step 6: Final answer
    x = 72,206.12

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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.