Home / 78,810.02-118,215.05-23,406.02

Finding the Fourth Proportional to 78,810.02, 118,215.05 and 23,406.02

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Solution

The fourth proportional to 78,810.02, 118,215.05 and 23,406.02 is: 35,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,810.02 : 118,215.05 = 23,406.02 : x
  2. Step 2: Convert to fraction form
    78,810.02/118,215.05 = 23,406.02/x
  3. Step 3: Cross multiply
    78,810.02x = 118,215.05 × 23,406.02
  4. Step 4: Simplify right side
    78,810.02x = 2,766,943,824.60
  5. Step 5: Solve for x
    x = 2,766,943,824.60/78,810.02
  6. Step 6: Final answer
    x = 35,109.04

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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.