Home / 90,582.10-135,263.17-73,975.07

Finding the Fourth Proportional to 90,582.10, 135,263.17 and 73,975.07

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Solution

The fourth proportional to 90,582.10, 135,263.17 and 73,975.07 is: 110,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,582.10 : 135,263.17 = 73,975.07 : x
  2. Step 2: Convert to fraction form
    90,582.10/135,263.17 = 73,975.07/x
  3. Step 3: Cross multiply
    90,582.10x = 135,263.17 × 73,975.07
  4. Step 4: Simplify right side
    90,582.10x = 10,006,102,483.69
  5. Step 5: Solve for x
    x = 10,006,102,483.69/90,582.10
  6. Step 6: Final answer
    x = 110,464.46

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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.