Home / 90,235.49-124,483.64-58,414.64

Finding the Fourth Proportional to 90,235.49, 124,483.64 and 58,414.64

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Solution

The fourth proportional to 90,235.49, 124,483.64 and 58,414.64 is: 80,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.49 : 124,483.64 = 58,414.64 : x
  2. Step 2: Convert to fraction form
    90,235.49/124,483.64 = 58,414.64/x
  3. Step 3: Cross multiply
    90,235.49x = 124,483.64 × 58,414.64
  4. Step 4: Simplify right side
    90,235.49x = 7,271,666,102.00
  5. Step 5: Solve for x
    x = 7,271,666,102.00/90,235.49
  6. Step 6: Final answer
    x = 80,585.44

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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.