Home / 124,272.08-171,489.60-70,550

Finding the Fourth Proportional to 124,272.08, 171,489.60 and 70,550

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Solution

The fourth proportional to 124,272.08, 171,489.60 and 70,550 is: 97,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,272.08 : 171,489.60 = 70,550 : x
  2. Step 2: Convert to fraction form
    124,272.08/171,489.60 = 70,550/x
  3. Step 3: Cross multiply
    124,272.08x = 171,489.60 × 70,550
  4. Step 4: Simplify right side
    124,272.08x = 12,098,591,280
  5. Step 5: Solve for x
    x = 12,098,591,280/124,272.08
  6. Step 6: Final answer
    x = 97,355.67

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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.