Home / 76,554.49-105,611.10-44,709.34

Finding the Fourth Proportional to 76,554.49, 105,611.10 and 44,709.34

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Solution

The fourth proportional to 76,554.49, 105,611.10 and 44,709.34 is: 61,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.49 : 105,611.10 = 44,709.34 : x
  2. Step 2: Convert to fraction form
    76,554.49/105,611.10 = 44,709.34/x
  3. Step 3: Cross multiply
    76,554.49x = 105,611.10 × 44,709.34
  4. Step 4: Simplify right side
    76,554.49x = 4,721,802,577.67
  5. Step 5: Solve for x
    x = 4,721,802,577.67/76,554.49
  6. Step 6: Final answer
    x = 61,678.98

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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.