Home / 94,580.16-130,518-52,138.68

Finding the Fourth Proportional to 94,580.16, 130,518 and 52,138.68

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Solution

The fourth proportional to 94,580.16, 130,518 and 52,138.68 is: 71,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,580.16 : 130,518 = 52,138.68 : x
  2. Step 2: Convert to fraction form
    94,580.16/130,518 = 52,138.68/x
  3. Step 3: Cross multiply
    94,580.16x = 130,518 × 52,138.68
  4. Step 4: Simplify right side
    94,580.16x = 6,805,036,236.24
  5. Step 5: Solve for x
    x = 6,805,036,236.24/94,580.16
  6. Step 6: Final answer
    x = 71,949.93

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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.