Home / 70,999.28-97,996.08-42,699.50

Finding the Fourth Proportional to 70,999.28, 97,996.08 and 42,699.50

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Solution

The fourth proportional to 70,999.28, 97,996.08 and 42,699.50 is: 58,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,999.28 : 97,996.08 = 42,699.50 : x
  2. Step 2: Convert to fraction form
    70,999.28/97,996.08 = 42,699.50/x
  3. Step 3: Cross multiply
    70,999.28x = 97,996.08 × 42,699.50
  4. Step 4: Simplify right side
    70,999.28x = 4,184,383,617.96
  5. Step 5: Solve for x
    x = 4,184,383,617.96/70,999.28
  6. Step 6: Final answer
    x = 58,935.58

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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.