Home / 90,950.35-124,602.58-87,541.36

Finding the Fourth Proportional to 90,950.35, 124,602.58 and 87,541.36

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Solution

The fourth proportional to 90,950.35, 124,602.58 and 87,541.36 is: 119,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,950.35 : 124,602.58 = 87,541.36 : x
  2. Step 2: Convert to fraction form
    90,950.35/124,602.58 = 87,541.36/x
  3. Step 3: Cross multiply
    90,950.35x = 124,602.58 × 87,541.36
  4. Step 4: Simplify right side
    90,950.35x = 10,907,879,312.71
  5. Step 5: Solve for x
    x = 10,907,879,312.71/90,950.35
  6. Step 6: Final answer
    x = 119,932.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.