Home / 48,087.15-72,130.32-13,026.57

Finding the Fourth Proportional to 48,087.15, 72,130.32 and 13,026.57

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Solution

The fourth proportional to 48,087.15, 72,130.32 and 13,026.57 is: 19,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.15 : 72,130.32 = 13,026.57 : x
  2. Step 2: Convert to fraction form
    48,087.15/72,130.32 = 13,026.57/x
  3. Step 3: Cross multiply
    48,087.15x = 72,130.32 × 13,026.57
  4. Step 4: Simplify right side
    48,087.15x = 939,610,662.60
  5. Step 5: Solve for x
    x = 939,610,662.60/48,087.15
  6. Step 6: Final answer
    x = 19,539.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.