Home / 61,813.22-85,114.14-56,113.34

Finding the Fourth Proportional to 61,813.22, 85,114.14 and 56,113.34

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Solution

The fourth proportional to 61,813.22, 85,114.14 and 56,113.34 is: 77,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.22 : 85,114.14 = 56,113.34 : x
  2. Step 2: Convert to fraction form
    61,813.22/85,114.14 = 56,113.34/x
  3. Step 3: Cross multiply
    61,813.22x = 85,114.14 × 56,113.34
  4. Step 4: Simplify right side
    61,813.22x = 4,776,038,676.63
  5. Step 5: Solve for x
    x = 4,776,038,676.63/61,813.22
  6. Step 6: Final answer
    x = 77,265.65

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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.