Home / 68,427.38-94,397.00-42,920.95

Finding the Fourth Proportional to 68,427.38, 94,397.00 and 42,920.95

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Solution

The fourth proportional to 68,427.38, 94,397.00 and 42,920.95 is: 59,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.38 : 94,397.00 = 42,920.95 : x
  2. Step 2: Convert to fraction form
    68,427.38/94,397.00 = 42,920.95/x
  3. Step 3: Cross multiply
    68,427.38x = 94,397.00 × 42,920.95
  4. Step 4: Simplify right side
    68,427.38x = 4,051,608,702.55
  5. Step 5: Solve for x
    x = 4,051,608,702.55/68,427.38
  6. Step 6: Final answer
    x = 59,210.35

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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.