Home / 59,219.64-81,643.50-57,385.08

Finding the Fourth Proportional to 59,219.64, 81,643.50 and 57,385.08

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Solution

The fourth proportional to 59,219.64, 81,643.50 and 57,385.08 is: 79,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,219.64 : 81,643.50 = 57,385.08 : x
  2. Step 2: Convert to fraction form
    59,219.64/81,643.50 = 57,385.08/x
  3. Step 3: Cross multiply
    59,219.64x = 81,643.50 × 57,385.08
  4. Step 4: Simplify right side
    59,219.64x = 4,685,118,778.98
  5. Step 5: Solve for x
    x = 4,685,118,778.98/59,219.64
  6. Step 6: Final answer
    x = 79,114.27

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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.