Home / 92,884.44-128,233.68-61,145.60

Finding the Fourth Proportional to 92,884.44, 128,233.68 and 61,145.60

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Solution

The fourth proportional to 92,884.44, 128,233.68 and 61,145.60 is: 84,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,884.44 : 128,233.68 = 61,145.60 : x
  2. Step 2: Convert to fraction form
    92,884.44/128,233.68 = 61,145.60/x
  3. Step 3: Cross multiply
    92,884.44x = 128,233.68 × 61,145.60
  4. Step 4: Simplify right side
    92,884.44x = 7,840,925,303.81
  5. Step 5: Solve for x
    x = 7,840,925,303.81/92,884.44
  6. Step 6: Final answer
    x = 84,415.92

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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.