Home / 85,032.59-117,506.81-63,774.95

Finding the Fourth Proportional to 85,032.59, 117,506.81 and 63,774.95

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Solution

The fourth proportional to 85,032.59, 117,506.81 and 63,774.95 is: 88,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.59 : 117,506.81 = 63,774.95 : x
  2. Step 2: Convert to fraction form
    85,032.59/117,506.81 = 63,774.95/x
  3. Step 3: Cross multiply
    85,032.59x = 117,506.81 × 63,774.95
  4. Step 4: Simplify right side
    85,032.59x = 7,493,990,932.41
  5. Step 5: Solve for x
    x = 7,493,990,932.41/85,032.59
  6. Step 6: Final answer
    x = 88,130.81

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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.