Home / 90,580.41-135,260.65-73,973.39

Finding the Fourth Proportional to 90,580.41, 135,260.65 and 73,973.39

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Solution

The fourth proportional to 90,580.41, 135,260.65 and 73,973.39 is: 110,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,580.41 : 135,260.65 = 73,973.39 : x
  2. Step 2: Convert to fraction form
    90,580.41/135,260.65 = 73,973.39/x
  3. Step 3: Cross multiply
    90,580.41x = 135,260.65 × 73,973.39
  4. Step 4: Simplify right side
    90,580.41x = 10,005,688,230.27
  5. Step 5: Solve for x
    x = 10,005,688,230.27/90,580.41
  6. Step 6: Final answer
    x = 110,461.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.