Home / 124,419.31-186,629.11-30,925.06

Finding the Fourth Proportional to 124,419.31, 186,629.11 and 30,925.06

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Solution

The fourth proportional to 124,419.31, 186,629.11 and 30,925.06 is: 46,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.31 : 186,629.11 = 30,925.06 : x
  2. Step 2: Convert to fraction form
    124,419.31/186,629.11 = 30,925.06/x
  3. Step 3: Cross multiply
    124,419.31x = 186,629.11 × 30,925.06
  4. Step 4: Simplify right side
    124,419.31x = 5,771,516,501.81
  5. Step 5: Solve for x
    x = 5,771,516,501.81/124,419.31
  6. Step 6: Final answer
    x = 46,387.63

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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.