Home / 55,642.77-76,790.34-34,134.93

Finding the Fourth Proportional to 55,642.77, 76,790.34 and 34,134.93

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Solution

The fourth proportional to 55,642.77, 76,790.34 and 34,134.93 is: 47,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642.77 : 76,790.34 = 34,134.93 : x
  2. Step 2: Convert to fraction form
    55,642.77/76,790.34 = 34,134.93/x
  3. Step 3: Cross multiply
    55,642.77x = 76,790.34 × 34,134.93
  4. Step 4: Simplify right side
    55,642.77x = 2,621,232,880.58
  5. Step 5: Solve for x
    x = 2,621,232,880.58/55,642.77
  6. Step 6: Final answer
    x = 47,108.24

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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.