Home / 71,296.64-98,328.32-42,996.16

Finding the Fourth Proportional to 71,296.64, 98,328.32 and 42,996.16

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Solution

The fourth proportional to 71,296.64, 98,328.32 and 42,996.16 is: 59,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.64 : 98,328.32 = 42,996.16 : x
  2. Step 2: Convert to fraction form
    71,296.64/98,328.32 = 42,996.16/x
  3. Step 3: Cross multiply
    71,296.64x = 98,328.32 × 42,996.16
  4. Step 4: Simplify right side
    71,296.64x = 4,227,740,179.25
  5. Step 5: Solve for x
    x = 4,227,740,179.25/71,296.64
  6. Step 6: Final answer
    x = 59,297.89

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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.