Home / 85,622.95-118,160.76-53,370.60

Finding the Fourth Proportional to 85,622.95, 118,160.76 and 53,370.60

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Solution

The fourth proportional to 85,622.95, 118,160.76 and 53,370.60 is: 73,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,622.95 : 118,160.76 = 53,370.60 : x
  2. Step 2: Convert to fraction form
    85,622.95/118,160.76 = 53,370.60/x
  3. Step 3: Cross multiply
    85,622.95x = 118,160.76 × 53,370.60
  4. Step 4: Simplify right side
    85,622.95x = 6,306,310,657.66
  5. Step 5: Solve for x
    x = 6,306,310,657.66/85,622.95
  6. Step 6: Final answer
    x = 73,652.11

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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.