Home / 124,041.60-171,172.44-70,338.06

Finding the Fourth Proportional to 124,041.60, 171,172.44 and 70,338.06

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Solution

The fourth proportional to 124,041.60, 171,172.44 and 70,338.06 is: 97,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,041.60 : 171,172.44 = 70,338.06 : x
  2. Step 2: Convert to fraction form
    124,041.60/171,172.44 = 70,338.06/x
  3. Step 3: Cross multiply
    124,041.60x = 171,172.44 × 70,338.06
  4. Step 4: Simplify right side
    124,041.60x = 12,039,937,355.07
  5. Step 5: Solve for x
    x = 12,039,937,355.07/124,041.60
  6. Step 6: Final answer
    x = 97,063.71

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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.