Home / 85,516.88-118,003.07-47,271.26

Finding the Fourth Proportional to 85,516.88, 118,003.07 and 47,271.26

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Solution

The fourth proportional to 85,516.88, 118,003.07 and 47,271.26 is: 65,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,516.88 : 118,003.07 = 47,271.26 : x
  2. Step 2: Convert to fraction form
    85,516.88/118,003.07 = 47,271.26/x
  3. Step 3: Cross multiply
    85,516.88x = 118,003.07 × 47,271.26
  4. Step 4: Simplify right side
    85,516.88x = 5,578,153,802.77
  5. Step 5: Solve for x
    x = 5,578,153,802.77/85,516.88
  6. Step 6: Final answer
    x = 65,228.69

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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.