Home / 108,085.22-149,155.12-60,343.02

Finding the Fourth Proportional to 108,085.22, 149,155.12 and 60,343.02

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Solution

The fourth proportional to 108,085.22, 149,155.12 and 60,343.02 is: 83,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,085.22 : 149,155.12 = 60,343.02 : x
  2. Step 2: Convert to fraction form
    108,085.22/149,155.12 = 60,343.02/x
  3. Step 3: Cross multiply
    108,085.22x = 149,155.12 × 60,343.02
  4. Step 4: Simplify right side
    108,085.22x = 9,000,470,389.26
  5. Step 5: Solve for x
    x = 9,000,470,389.26/108,085.22
  6. Step 6: Final answer
    x = 83,271.98

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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.