Home / 105,111.36-157,667.04-52,467.84

Finding the Fourth Proportional to 105,111.36, 157,667.04 and 52,467.84

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Solution

The fourth proportional to 105,111.36, 157,667.04 and 52,467.84 is: 78,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111.36 : 157,667.04 = 52,467.84 : x
  2. Step 2: Convert to fraction form
    105,111.36/157,667.04 = 52,467.84/x
  3. Step 3: Cross multiply
    105,111.36x = 157,667.04 × 52,467.84
  4. Step 4: Simplify right side
    105,111.36x = 8,272,449,027.99
  5. Step 5: Solve for x
    x = 8,272,449,027.99/105,111.36
  6. Step 6: Final answer
    x = 78,701.76

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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.