Home / 124,619.51-171,975.62-70,904.53

Finding the Fourth Proportional to 124,619.51, 171,975.62 and 70,904.53

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Solution

The fourth proportional to 124,619.51, 171,975.62 and 70,904.53 is: 97,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,619.51 : 171,975.62 = 70,904.53 : x
  2. Step 2: Convert to fraction form
    124,619.51/171,975.62 = 70,904.53/x
  3. Step 3: Cross multiply
    124,619.51x = 171,975.62 × 70,904.53
  4. Step 4: Simplify right side
    124,619.51x = 12,193,850,507.56
  5. Step 5: Solve for x
    x = 12,193,850,507.56/124,619.51
  6. Step 6: Final answer
    x = 97,848.65

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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.