Home / 124,172.77-171,353.34-70,456.63

Finding the Fourth Proportional to 124,172.77, 171,353.34 and 70,456.63

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Solution

The fourth proportional to 124,172.77, 171,353.34 and 70,456.63 is: 97,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,172.77 : 171,353.34 = 70,456.63 : x
  2. Step 2: Convert to fraction form
    124,172.77/171,353.34 = 70,456.63/x
  3. Step 3: Cross multiply
    124,172.77x = 171,353.34 × 70,456.63
  4. Step 4: Simplify right side
    124,172.77x = 12,072,978,875.64
  5. Step 5: Solve for x
    x = 12,072,978,875.64/124,172.77
  6. Step 6: Final answer
    x = 97,227.27

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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.