Home / 103,673.02-142,937.98-67,806.22

Finding the Fourth Proportional to 103,673.02, 142,937.98 and 67,806.22

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Solution

The fourth proportional to 103,673.02, 142,937.98 and 67,806.22 is: 93,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.02 : 142,937.98 = 67,806.22 : x
  2. Step 2: Convert to fraction form
    103,673.02/142,937.98 = 67,806.22/x
  3. Step 3: Cross multiply
    103,673.02x = 142,937.98 × 67,806.22
  4. Step 4: Simplify right side
    103,673.02x = 9,692,084,118.24
  5. Step 5: Solve for x
    x = 9,692,084,118.24/103,673.02
  6. Step 6: Final answer
    x = 93,487.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.