Home / 85,516.23-118,011.56-47,790.48

Finding the Fourth Proportional to 85,516.23, 118,011.56 and 47,790.48

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Solution

The fourth proportional to 85,516.23, 118,011.56 and 47,790.48 is: 65,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,516.23 : 118,011.56 = 47,790.48 : x
  2. Step 2: Convert to fraction form
    85,516.23/118,011.56 = 47,790.48/x
  3. Step 3: Cross multiply
    85,516.23x = 118,011.56 × 47,790.48
  4. Step 4: Simplify right side
    85,516.23x = 5,639,828,859.00
  5. Step 5: Solve for x
    x = 5,639,828,859.00/85,516.23
  6. Step 6: Final answer
    x = 65,950.39

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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.