Home / 123,981.96-171,094.44-70,277.16

Finding the Fourth Proportional to 123,981.96, 171,094.44 and 70,277.16

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Solution

The fourth proportional to 123,981.96, 171,094.44 and 70,277.16 is: 96,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,981.96 : 171,094.44 = 70,277.16 : x
  2. Step 2: Convert to fraction form
    123,981.96/171,094.44 = 70,277.16/x
  3. Step 3: Cross multiply
    123,981.96x = 171,094.44 × 70,277.16
  4. Step 4: Simplify right side
    123,981.96x = 12,024,031,334.99
  5. Step 5: Solve for x
    x = 12,024,031,334.99/123,981.96
  6. Step 6: Final answer
    x = 96,982.10

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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.