Home / 77,326.28-106,710.08-47,111.59

Finding the Fourth Proportional to 77,326.28, 106,710.08 and 47,111.59

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Solution

The fourth proportional to 77,326.28, 106,710.08 and 47,111.59 is: 65,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,326.28 : 106,710.08 = 47,111.59 : x
  2. Step 2: Convert to fraction form
    77,326.28/106,710.08 = 47,111.59/x
  3. Step 3: Cross multiply
    77,326.28x = 106,710.08 × 47,111.59
  4. Step 4: Simplify right side
    77,326.28x = 5,027,281,435.66
  5. Step 5: Solve for x
    x = 5,027,281,435.66/77,326.28
  6. Step 6: Final answer
    x = 65,013.88

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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.