Home / 54,135.19-81,503.64-46,901.69

Finding the Fourth Proportional to 54,135.19, 81,503.64 and 46,901.69

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Solution

The fourth proportional to 54,135.19, 81,503.64 and 46,901.69 is: 70,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.19 : 81,503.64 = 46,901.69 : x
  2. Step 2: Convert to fraction form
    54,135.19/81,503.64 = 46,901.69/x
  3. Step 3: Cross multiply
    54,135.19x = 81,503.64 × 46,901.69
  4. Step 4: Simplify right side
    54,135.19x = 3,822,658,457.15
  5. Step 5: Solve for x
    x = 3,822,658,457.15/54,135.19
  6. Step 6: Final answer
    x = 70,613.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.