Home / 85,567.85-118,033.16-53,681.39

Finding the Fourth Proportional to 85,567.85, 118,033.16 and 53,681.39

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Solution

The fourth proportional to 85,567.85, 118,033.16 and 53,681.39 is: 74,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,567.85 : 118,033.16 = 53,681.39 : x
  2. Step 2: Convert to fraction form
    85,567.85/118,033.16 = 53,681.39/x
  3. Step 3: Cross multiply
    85,567.85x = 118,033.16 × 53,681.39
  4. Step 4: Simplify right side
    85,567.85x = 6,336,183,236.32
  5. Step 5: Solve for x
    x = 6,336,183,236.32/85,567.85
  6. Step 6: Final answer
    x = 74,048.65

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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.