Home / 90,324.64-124,647.60-52,084

Finding the Fourth Proportional to 90,324.64, 124,647.60 and 52,084

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Solution

The fourth proportional to 90,324.64, 124,647.60 and 52,084 is: 71,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324.64 : 124,647.60 = 52,084 : x
  2. Step 2: Convert to fraction form
    90,324.64/124,647.60 = 52,084/x
  3. Step 3: Cross multiply
    90,324.64x = 124,647.60 × 52,084
  4. Step 4: Simplify right side
    90,324.64x = 6,492,145,598.40
  5. Step 5: Solve for x
    x = 6,492,145,598.40/90,324.64
  6. Step 6: Final answer
    x = 71,875.69

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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.