Home / 78,813.02-118,219.55-23,409.02

Finding the Fourth Proportional to 78,813.02, 118,219.55 and 23,409.02

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Solution

The fourth proportional to 78,813.02, 118,219.55 and 23,409.02 is: 35,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,813.02 : 118,219.55 = 23,409.02 : x
  2. Step 2: Convert to fraction form
    78,813.02/118,219.55 = 23,409.02/x
  3. Step 3: Cross multiply
    78,813.02x = 118,219.55 × 23,409.02
  4. Step 4: Simplify right side
    78,813.02x = 2,767,403,810.34
  5. Step 5: Solve for x
    x = 2,767,403,810.34/78,813.02
  6. Step 6: Final answer
    x = 35,113.54

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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.