Home / 78,812.02-118,218.05-23,408.02

Finding the Fourth Proportional to 78,812.02, 118,218.05 and 23,408.02

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Solution

The fourth proportional to 78,812.02, 118,218.05 and 23,408.02 is: 35,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,812.02 : 118,218.05 = 23,408.02 : x
  2. Step 2: Convert to fraction form
    78,812.02/118,218.05 = 23,408.02/x
  3. Step 3: Cross multiply
    78,812.02x = 118,218.05 × 23,408.02
  4. Step 4: Simplify right side
    78,812.02x = 2,767,250,478.76
  5. Step 5: Solve for x
    x = 2,767,250,478.76/78,812.02
  6. Step 6: Final answer
    x = 35,112.04

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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.