Home / 56,199.77-77,554.78-30,705.59

Finding the Fourth Proportional to 56,199.77, 77,554.78 and 30,705.59

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Solution

The fourth proportional to 56,199.77, 77,554.78 and 30,705.59 is: 42,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.77 : 77,554.78 = 30,705.59 : x
  2. Step 2: Convert to fraction form
    56,199.77/77,554.78 = 30,705.59/x
  3. Step 3: Cross multiply
    56,199.77x = 77,554.78 × 30,705.59
  4. Step 4: Simplify right side
    56,199.77x = 2,381,365,103.51
  5. Step 5: Solve for x
    x = 2,381,365,103.51/56,199.77
  6. Step 6: Final answer
    x = 42,373.22

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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.