Home / 75,036.18-112,554.44-30,662.93

Finding the Fourth Proportional to 75,036.18, 112,554.44 and 30,662.93

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Solution

The fourth proportional to 75,036.18, 112,554.44 and 30,662.93 is: 45,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.18 : 112,554.44 = 30,662.93 : x
  2. Step 2: Convert to fraction form
    75,036.18/112,554.44 = 30,662.93/x
  3. Step 3: Cross multiply
    75,036.18x = 112,554.44 × 30,662.93
  4. Step 4: Simplify right side
    75,036.18x = 3,451,248,914.91
  5. Step 5: Solve for x
    x = 3,451,248,914.91/75,036.18
  6. Step 6: Final answer
    x = 45,994.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.