Home / 81,354.98-112,266.51-47,364.35

Finding the Fourth Proportional to 81,354.98, 112,266.51 and 47,364.35

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Solution

The fourth proportional to 81,354.98, 112,266.51 and 47,364.35 is: 65,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,354.98 : 112,266.51 = 47,364.35 : x
  2. Step 2: Convert to fraction form
    81,354.98/112,266.51 = 47,364.35/x
  3. Step 3: Cross multiply
    81,354.98x = 112,266.51 × 47,364.35
  4. Step 4: Simplify right side
    81,354.98x = 5,317,429,533.97
  5. Step 5: Solve for x
    x = 5,317,429,533.97/81,354.98
  6. Step 6: Final answer
    x = 65,360.83

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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.