Home / 92,786.64-128,045.58-50,345.18

Finding the Fourth Proportional to 92,786.64, 128,045.58 and 50,345.18

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Solution

The fourth proportional to 92,786.64, 128,045.58 and 50,345.18 is: 69,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.64 : 128,045.58 = 50,345.18 : x
  2. Step 2: Convert to fraction form
    92,786.64/128,045.58 = 50,345.18/x
  3. Step 3: Cross multiply
    92,786.64x = 128,045.58 × 50,345.18
  4. Step 4: Simplify right side
    92,786.64x = 6,446,477,773.30
  5. Step 5: Solve for x
    x = 6,446,477,773.30/92,786.64
  6. Step 6: Final answer
    x = 69,476.36

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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.