Home / 92,848.16-128,131.08-50,406.92

Finding the Fourth Proportional to 92,848.16, 128,131.08 and 50,406.92

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Solution

The fourth proportional to 92,848.16, 128,131.08 and 50,406.92 is: 69,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.16 : 128,131.08 = 50,406.92 : x
  2. Step 2: Convert to fraction form
    92,848.16/128,131.08 = 50,406.92/x
  3. Step 3: Cross multiply
    92,848.16x = 128,131.08 × 50,406.92
  4. Step 4: Simplify right side
    92,848.16x = 6,458,693,099.07
  5. Step 5: Solve for x
    x = 6,458,693,099.07/92,848.16
  6. Step 6: Final answer
    x = 69,561.89

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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.