Home / 88,428.02-122,032.24-48,142.94

Finding the Fourth Proportional to 88,428.02, 122,032.24 and 48,142.94

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Solution

The fourth proportional to 88,428.02, 122,032.24 and 48,142.94 is: 66,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428.02 : 122,032.24 = 48,142.94 : x
  2. Step 2: Convert to fraction form
    88,428.02/122,032.24 = 48,142.94/x
  3. Step 3: Cross multiply
    88,428.02x = 122,032.24 × 48,142.94
  4. Step 4: Simplify right side
    88,428.02x = 5,874,990,808.39
  5. Step 5: Solve for x
    x = 5,874,990,808.39/88,428.02
  6. Step 6: Final answer
    x = 66,438.11

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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.