Home / 104,436.58-144,122.61-56,689.93

Finding the Fourth Proportional to 104,436.58, 144,122.61 and 56,689.93

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Solution

The fourth proportional to 104,436.58, 144,122.61 and 56,689.93 is: 78,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,436.58 : 144,122.61 = 56,689.93 : x
  2. Step 2: Convert to fraction form
    104,436.58/144,122.61 = 56,689.93/x
  3. Step 3: Cross multiply
    104,436.58x = 144,122.61 × 56,689.93
  4. Step 4: Simplify right side
    104,436.58x = 8,170,300,672.32
  5. Step 5: Solve for x
    x = 8,170,300,672.32/104,436.58
  6. Step 6: Final answer
    x = 78,232.17

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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.