Home / 53,716.16-80,506.08-30,355.68

Finding the Fourth Proportional to 53,716.16, 80,506.08 and 30,355.68

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Solution

The fourth proportional to 53,716.16, 80,506.08 and 30,355.68 is: 45,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.16 : 80,506.08 = 30,355.68 : x
  2. Step 2: Convert to fraction form
    53,716.16/80,506.08 = 30,355.68/x
  3. Step 3: Cross multiply
    53,716.16x = 80,506.08 × 30,355.68
  4. Step 4: Simplify right side
    53,716.16x = 2,443,816,802.53
  5. Step 5: Solve for x
    x = 2,443,816,802.53/53,716.16
  6. Step 6: Final answer
    x = 45,495.00

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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.