Home / 71,071.02-106,514.08-28,901.95

Finding the Fourth Proportional to 71,071.02, 106,514.08 and 28,901.95

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Solution

The fourth proportional to 71,071.02, 106,514.08 and 28,901.95 is: 43,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,071.02 : 106,514.08 = 28,901.95 : x
  2. Step 2: Convert to fraction form
    71,071.02/106,514.08 = 28,901.95/x
  3. Step 3: Cross multiply
    71,071.02x = 106,514.08 × 28,901.95
  4. Step 4: Simplify right side
    71,071.02x = 3,078,464,275.92
  5. Step 5: Solve for x
    x = 3,078,464,275.92/71,071.02
  6. Step 6: Final answer
    x = 43,315.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.