Home / 43,116.73-64,684.85-13,133.68

Finding the Fourth Proportional to 43,116.73, 64,684.85 and 13,133.68

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Solution

The fourth proportional to 43,116.73, 64,684.85 and 13,133.68 is: 19,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,116.73 : 64,684.85 = 13,133.68 : x
  2. Step 2: Convert to fraction form
    43,116.73/64,684.85 = 13,133.68/x
  3. Step 3: Cross multiply
    43,116.73x = 64,684.85 × 13,133.68
  4. Step 4: Simplify right side
    43,116.73x = 849,549,893.37
  5. Step 5: Solve for x
    x = 849,549,893.37/43,116.73
  6. Step 6: Final answer
    x = 19,703.49

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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.