Home / 85,510.32-118,001.58-47,267.58

Finding the Fourth Proportional to 85,510.32, 118,001.58 and 47,267.58

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Solution

The fourth proportional to 85,510.32, 118,001.58 and 47,267.58 is: 65,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,510.32 : 118,001.58 = 47,267.58 : x
  2. Step 2: Convert to fraction form
    85,510.32/118,001.58 = 47,267.58/x
  3. Step 3: Cross multiply
    85,510.32x = 118,001.58 × 47,267.58
  4. Step 4: Simplify right side
    85,510.32x = 5,577,649,122.78
  5. Step 5: Solve for x
    x = 5,577,649,122.78/85,510.32
  6. Step 6: Final answer
    x = 65,227.79

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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.