Home / 92,823.14-128,096.16-57,012.64

Finding the Fourth Proportional to 92,823.14, 128,096.16 and 57,012.64

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Solution

The fourth proportional to 92,823.14, 128,096.16 and 57,012.64 is: 78,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.14 : 128,096.16 = 57,012.64 : x
  2. Step 2: Convert to fraction form
    92,823.14/128,096.16 = 57,012.64/x
  3. Step 3: Cross multiply
    92,823.14x = 128,096.16 × 57,012.64
  4. Step 4: Simplify right side
    92,823.14x = 7,303,100,255.46
  5. Step 5: Solve for x
    x = 7,303,100,255.46/92,823.14
  6. Step 6: Final answer
    x = 78,677.58

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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.