Home / 90,095.38-124,331.58-49,259.64

Finding the Fourth Proportional to 90,095.38, 124,331.58 and 49,259.64

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Solution

The fourth proportional to 90,095.38, 124,331.58 and 49,259.64 is: 67,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.38 : 124,331.58 = 49,259.64 : x
  2. Step 2: Convert to fraction form
    90,095.38/124,331.58 = 49,259.64/x
  3. Step 3: Cross multiply
    90,095.38x = 124,331.58 × 49,259.64
  4. Step 4: Simplify right side
    90,095.38x = 6,124,528,871.43
  5. Step 5: Solve for x
    x = 6,124,528,871.43/90,095.38
  6. Step 6: Final answer
    x = 67,978.28

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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.