Home / 61,287.45-84,586.53-57,285.24

Finding the Fourth Proportional to 61,287.45, 84,586.53 and 57,285.24

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Solution

The fourth proportional to 61,287.45, 84,586.53 and 57,285.24 is: 79,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.45 : 84,586.53 = 57,285.24 : x
  2. Step 2: Convert to fraction form
    61,287.45/84,586.53 = 57,285.24/x
  3. Step 3: Cross multiply
    61,287.45x = 84,586.53 × 57,285.24
  4. Step 4: Simplify right side
    61,287.45x = 4,845,559,671.82
  5. Step 5: Solve for x
    x = 4,845,559,671.82/61,287.45
  6. Step 6: Final answer
    x = 79,062.84

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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.