Home / 78,941.36-118,412.04-23,537.36

Finding the Fourth Proportional to 78,941.36, 118,412.04 and 23,537.36

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Solution

The fourth proportional to 78,941.36, 118,412.04 and 23,537.36 is: 35,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.36 : 118,412.04 = 23,537.36 : x
  2. Step 2: Convert to fraction form
    78,941.36/118,412.04 = 23,537.36/x
  3. Step 3: Cross multiply
    78,941.36x = 118,412.04 × 23,537.36
  4. Step 4: Simplify right side
    78,941.36x = 2,787,106,813.81
  5. Step 5: Solve for x
    x = 2,787,106,813.81/78,941.36
  6. Step 6: Final answer
    x = 35,306.04

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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.