Home / 82,938.85-124,445.03-43,486.58

Finding the Fourth Proportional to 82,938.85, 124,445.03 and 43,486.58

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Solution

The fourth proportional to 82,938.85, 124,445.03 and 43,486.58 is: 65,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938.85 : 124,445.03 = 43,486.58 : x
  2. Step 2: Convert to fraction form
    82,938.85/124,445.03 = 43,486.58/x
  3. Step 3: Cross multiply
    82,938.85x = 124,445.03 × 43,486.58
  4. Step 4: Simplify right side
    82,938.85x = 5,411,688,846.38
  5. Step 5: Solve for x
    x = 5,411,688,846.38/82,938.85
  6. Step 6: Final answer
    x = 65,249.14

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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.