Home / 104,827.55-144,642.79-61,820.53

Finding the Fourth Proportional to 104,827.55, 144,642.79 and 61,820.53

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Solution

The fourth proportional to 104,827.55, 144,642.79 and 61,820.53 is: 85,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,827.55 : 144,642.79 = 61,820.53 : x
  2. Step 2: Convert to fraction form
    104,827.55/144,642.79 = 61,820.53/x
  3. Step 3: Cross multiply
    104,827.55x = 144,642.79 × 61,820.53
  4. Step 4: Simplify right side
    104,827.55x = 8,941,893,938.48
  5. Step 5: Solve for x
    x = 8,941,893,938.48/104,827.55
  6. Step 6: Final answer
    x = 85,300.99

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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.