Home / 85,280.58-117,684.45-47,040.03

Finding the Fourth Proportional to 85,280.58, 117,684.45 and 47,040.03

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Solution

The fourth proportional to 85,280.58, 117,684.45 and 47,040.03 is: 64,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.58 : 117,684.45 = 47,040.03 : x
  2. Step 2: Convert to fraction form
    85,280.58/117,684.45 = 47,040.03/x
  3. Step 3: Cross multiply
    85,280.58x = 117,684.45 × 47,040.03
  4. Step 4: Simplify right side
    85,280.58x = 5,535,880,058.53
  5. Step 5: Solve for x
    x = 5,535,880,058.53/85,280.58
  6. Step 6: Final answer
    x = 64,913.72

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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.