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Finding the Fourth Proportional to 76,053.80, 104,980.38 and 44,232.68

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Solution

The fourth proportional to 76,053.80, 104,980.38 and 44,232.68 is: 61,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,053.80 : 104,980.38 = 44,232.68 : x
  2. Step 2: Convert to fraction form
    76,053.80/104,980.38 = 44,232.68/x
  3. Step 3: Cross multiply
    76,053.80x = 104,980.38 × 44,232.68
  4. Step 4: Simplify right side
    76,053.80x = 4,643,563,554.82
  5. Step 5: Solve for x
    x = 4,643,563,554.82/76,053.80
  6. Step 6: Final answer
    x = 61,056.30

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1.5x scale

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.