Home / 85,030.84-117,504.40-63,773.20

Finding the Fourth Proportional to 85,030.84, 117,504.40 and 63,773.20

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Solution

The fourth proportional to 85,030.84, 117,504.40 and 63,773.20 is: 88,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,030.84 : 117,504.40 = 63,773.20 : x
  2. Step 2: Convert to fraction form
    85,030.84/117,504.40 = 63,773.20/x
  3. Step 3: Cross multiply
    85,030.84x = 117,504.40 × 63,773.20
  4. Step 4: Simplify right side
    85,030.84x = 7,493,631,148.89
  5. Step 5: Solve for x
    x = 7,493,631,148.89/85,030.84
  6. Step 6: Final answer
    x = 88,128.39

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1.5x scale

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.