Home / 48,477.44-72,716.16-13,417.09

Finding the Fourth Proportional to 48,477.44, 72,716.16 and 13,417.09

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Solution

The fourth proportional to 48,477.44, 72,716.16 and 13,417.09 is: 20,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.44 : 72,716.16 = 13,417.09 : x
  2. Step 2: Convert to fraction form
    48,477.44/72,716.16 = 13,417.09/x
  3. Step 3: Cross multiply
    48,477.44x = 72,716.16 × 13,417.09
  4. Step 4: Simplify right side
    48,477.44x = 975,639,263.17
  5. Step 5: Solve for x
    x = 975,639,263.17/48,477.44
  6. Step 6: Final answer
    x = 20,125.64

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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.