Home / 85,717.44-118,287.36-47,478.24

Finding the Fourth Proportional to 85,717.44, 118,287.36 and 47,478.24

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Solution

The fourth proportional to 85,717.44, 118,287.36 and 47,478.24 is: 65,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,717.44 : 118,287.36 = 47,478.24 : x
  2. Step 2: Convert to fraction form
    85,717.44/118,287.36 = 47,478.24/x
  3. Step 3: Cross multiply
    85,717.44x = 118,287.36 × 47,478.24
  4. Step 4: Simplify right side
    85,717.44x = 5,616,075,667.05
  5. Step 5: Solve for x
    x = 5,616,075,667.05/85,717.44
  6. Step 6: Final answer
    x = 65,518.47

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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.