Home / 70,554.28-97,349.70-40,729

Finding the Fourth Proportional to 70,554.28, 97,349.70 and 40,729

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Solution

The fourth proportional to 70,554.28, 97,349.70 and 40,729 is: 56,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,554.28 : 97,349.70 = 40,729 : x
  2. Step 2: Convert to fraction form
    70,554.28/97,349.70 = 40,729/x
  3. Step 3: Cross multiply
    70,554.28x = 97,349.70 × 40,729
  4. Step 4: Simplify right side
    70,554.28x = 3,964,955,931.30
  5. Step 5: Solve for x
    x = 3,964,955,931.30/70,554.28
  6. Step 6: Final answer
    x = 56,197.24

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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.