Home / 108,127.49-162,225.93-51,971.67

Finding the Fourth Proportional to 108,127.49, 162,225.93 and 51,971.67

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Solution

The fourth proportional to 108,127.49, 162,225.93 and 51,971.67 is: 77,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,127.49 : 162,225.93 = 51,971.67 : x
  2. Step 2: Convert to fraction form
    108,127.49/162,225.93 = 51,971.67/x
  3. Step 3: Cross multiply
    108,127.49x = 162,225.93 × 51,971.67
  4. Step 4: Simplify right side
    108,127.49x = 8,431,151,688.27
  5. Step 5: Solve for x
    x = 8,431,151,688.27/108,127.49
  6. Step 6: Final answer
    x = 77,974.18

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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.