Home / 85,541.28-118,048.14-51,585.18

Finding the Fourth Proportional to 85,541.28, 118,048.14 and 51,585.18

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Solution

The fourth proportional to 85,541.28, 118,048.14 and 51,585.18 is: 71,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,541.28 : 118,048.14 = 51,585.18 : x
  2. Step 2: Convert to fraction form
    85,541.28/118,048.14 = 51,585.18/x
  3. Step 3: Cross multiply
    85,541.28x = 118,048.14 × 51,585.18
  4. Step 4: Simplify right side
    85,541.28x = 6,089,534,550.57
  5. Step 5: Solve for x
    x = 6,089,534,550.57/85,541.28
  6. Step 6: Final answer
    x = 71,188.26

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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.