Home / 70,534.28-97,322.10-40,709

Finding the Fourth Proportional to 70,534.28, 97,322.10 and 40,709

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Solution

The fourth proportional to 70,534.28, 97,322.10 and 40,709 is: 56,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.28 : 97,322.10 = 40,709 : x
  2. Step 2: Convert to fraction form
    70,534.28/97,322.10 = 40,709/x
  3. Step 3: Cross multiply
    70,534.28x = 97,322.10 × 40,709
  4. Step 4: Simplify right side
    70,534.28x = 3,961,885,368.90
  5. Step 5: Solve for x
    x = 3,961,885,368.90/70,534.28
  6. Step 6: Final answer
    x = 56,169.64

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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.