Home / 70,965.12-106,346.88-56,108.16

Finding the Fourth Proportional to 70,965.12, 106,346.88 and 56,108.16

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Solution

The fourth proportional to 70,965.12, 106,346.88 and 56,108.16 is: 84,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,965.12 : 106,346.88 = 56,108.16 : x
  2. Step 2: Convert to fraction form
    70,965.12/106,346.88 = 56,108.16/x
  3. Step 3: Cross multiply
    70,965.12x = 106,346.88 × 56,108.16
  4. Step 4: Simplify right side
    70,965.12x = 5,966,927,758.54
  5. Step 5: Solve for x
    x = 5,966,927,758.54/70,965.12
  6. Step 6: Final answer
    x = 84,082.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.