Home / 87,263.86-120,389.48-50,463.28

Finding the Fourth Proportional to 87,263.86, 120,389.48 and 50,463.28

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Solution

The fourth proportional to 87,263.86, 120,389.48 and 50,463.28 is: 69,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.86 : 120,389.48 = 50,463.28 : x
  2. Step 2: Convert to fraction form
    87,263.86/120,389.48 = 50,463.28/x
  3. Step 3: Cross multiply
    87,263.86x = 120,389.48 × 50,463.28
  4. Step 4: Simplify right side
    87,263.86x = 6,075,248,038.29
  5. Step 5: Solve for x
    x = 6,075,248,038.29/87,263.86
  6. Step 6: Final answer
    x = 69,619.29

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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.