Home / 61,357.22-91,980.47-42,646.07

Finding the Fourth Proportional to 61,357.22, 91,980.47 and 42,646.07

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Solution

The fourth proportional to 61,357.22, 91,980.47 and 42,646.07 is: 63,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.22 : 91,980.47 = 42,646.07 : x
  2. Step 2: Convert to fraction form
    61,357.22/91,980.47 = 42,646.07/x
  3. Step 3: Cross multiply
    61,357.22x = 91,980.47 × 42,646.07
  4. Step 4: Simplify right side
    61,357.22x = 3,922,605,562.25
  5. Step 5: Solve for x
    x = 3,922,605,562.25/61,357.22
  6. Step 6: Final answer
    x = 63,930.63

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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.