Home / 124,030.15-186,062.58-39,770.51

Finding the Fourth Proportional to 124,030.15, 186,062.58 and 39,770.51

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Solution

The fourth proportional to 124,030.15, 186,062.58 and 39,770.51 is: 59,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,030.15 : 186,062.58 = 39,770.51 : x
  2. Step 2: Convert to fraction form
    124,030.15/186,062.58 = 39,770.51/x
  3. Step 3: Cross multiply
    124,030.15x = 186,062.58 × 39,770.51
  4. Step 4: Simplify right side
    124,030.15x = 7,399,802,768.20
  5. Step 5: Solve for x
    x = 7,399,802,768.20/124,030.15
  6. Step 6: Final answer
    x = 59,661.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.