Home / 90,199.22-124,492.53-54,395.06

Finding the Fourth Proportional to 90,199.22, 124,492.53 and 54,395.06

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Solution

The fourth proportional to 90,199.22, 124,492.53 and 54,395.06 is: 75,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.22 : 124,492.53 = 54,395.06 : x
  2. Step 2: Convert to fraction form
    90,199.22/124,492.53 = 54,395.06/x
  3. Step 3: Cross multiply
    90,199.22x = 124,492.53 × 54,395.06
  4. Step 4: Simplify right side
    90,199.22x = 6,771,778,638.90
  5. Step 5: Solve for x
    x = 6,771,778,638.90/90,199.22
  6. Step 6: Final answer
    x = 75,075.80

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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.