Home / 104,611.95-144,362.79-56,866.50

Finding the Fourth Proportional to 104,611.95, 144,362.79 and 56,866.50

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Solution

The fourth proportional to 104,611.95, 144,362.79 and 56,866.50 is: 78,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.95 : 144,362.79 = 56,866.50 : x
  2. Step 2: Convert to fraction form
    104,611.95/144,362.79 = 56,866.50/x
  3. Step 3: Cross multiply
    104,611.95x = 144,362.79 × 56,866.50
  4. Step 4: Simplify right side
    104,611.95x = 8,209,406,597.54
  5. Step 5: Solve for x
    x = 8,209,406,597.54/104,611.95
  6. Step 6: Final answer
    x = 78,474.85

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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.