Home / 71,452.08-98,636.40-45,970.56

Finding the Fourth Proportional to 71,452.08, 98,636.40 and 45,970.56

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Solution

The fourth proportional to 71,452.08, 98,636.40 and 45,970.56 is: 63,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,452.08 : 98,636.40 = 45,970.56 : x
  2. Step 2: Convert to fraction form
    71,452.08/98,636.40 = 45,970.56/x
  3. Step 3: Cross multiply
    71,452.08x = 98,636.40 × 45,970.56
  4. Step 4: Simplify right side
    71,452.08x = 4,534,370,544.38
  5. Step 5: Solve for x
    x = 4,534,370,544.38/71,452.08
  6. Step 6: Final answer
    x = 63,460.30

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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.