Home / 81,500.22-112,470.48-47,506.14

Finding the Fourth Proportional to 81,500.22, 112,470.48 and 47,506.14

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Solution

The fourth proportional to 81,500.22, 112,470.48 and 47,506.14 is: 65,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,500.22 : 112,470.48 = 47,506.14 : x
  2. Step 2: Convert to fraction form
    81,500.22/112,470.48 = 47,506.14/x
  3. Step 3: Cross multiply
    81,500.22x = 112,470.48 × 47,506.14
  4. Step 4: Simplify right side
    81,500.22x = 5,343,038,368.75
  5. Step 5: Solve for x
    x = 5,343,038,368.75/81,500.22
  6. Step 6: Final answer
    x = 65,558.58

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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.