Home / 88,907.18-122,690.72-50,669.01

Finding the Fourth Proportional to 88,907.18, 122,690.72 and 50,669.01

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Solution

The fourth proportional to 88,907.18, 122,690.72 and 50,669.01 is: 69,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,907.18 : 122,690.72 = 50,669.01 : x
  2. Step 2: Convert to fraction form
    88,907.18/122,690.72 = 50,669.01/x
  3. Step 3: Cross multiply
    88,907.18x = 122,690.72 × 50,669.01
  4. Step 4: Simplify right side
    88,907.18x = 6,216,617,445.26
  5. Step 5: Solve for x
    x = 6,216,617,445.26/88,907.18
  6. Step 6: Final answer
    x = 69,922.56

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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.