Home / 90,501.64-135,876.68-46,158.28

Finding the Fourth Proportional to 90,501.64, 135,876.68 and 46,158.28

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Solution

The fourth proportional to 90,501.64, 135,876.68 and 46,158.28 is: 69,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.64 : 135,876.68 = 46,158.28 : x
  2. Step 2: Convert to fraction form
    90,501.64/135,876.68 = 46,158.28/x
  3. Step 3: Cross multiply
    90,501.64x = 135,876.68 × 46,158.28
  4. Step 4: Simplify right side
    90,501.64x = 6,271,833,840.91
  5. Step 5: Solve for x
    x = 6,271,833,840.91/90,501.64
  6. Step 6: Final answer
    x = 69,300.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.