Home / 85,693.08-118,258.02-47,967.24

Finding the Fourth Proportional to 85,693.08, 118,258.02 and 47,967.24

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Solution

The fourth proportional to 85,693.08, 118,258.02 and 47,967.24 is: 66,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693.08 : 118,258.02 = 47,967.24 : x
  2. Step 2: Convert to fraction form
    85,693.08/118,258.02 = 47,967.24/x
  3. Step 3: Cross multiply
    85,693.08x = 118,258.02 × 47,967.24
  4. Step 4: Simplify right side
    85,693.08x = 5,672,510,827.26
  5. Step 5: Solve for x
    x = 5,672,510,827.26/85,693.08
  6. Step 6: Final answer
    x = 66,195.67

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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.