Home / 61,106.22-84,308.02-38,467.81

Finding the Fourth Proportional to 61,106.22, 84,308.02 and 38,467.81

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Solution

The fourth proportional to 61,106.22, 84,308.02 and 38,467.81 is: 53,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,106.22 : 84,308.02 = 38,467.81 : x
  2. Step 2: Convert to fraction form
    61,106.22/84,308.02 = 38,467.81/x
  3. Step 3: Cross multiply
    61,106.22x = 84,308.02 × 38,467.81
  4. Step 4: Simplify right side
    61,106.22x = 3,243,144,702.50
  5. Step 5: Solve for x
    x = 3,243,144,702.50/61,106.22
  6. Step 6: Final answer
    x = 53,073.89

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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.