Home / 70,736.80-97,584.06-42,393.28

Finding the Fourth Proportional to 70,736.80, 97,584.06 and 42,393.28

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Solution

The fourth proportional to 70,736.80, 97,584.06 and 42,393.28 is: 58,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.80 : 97,584.06 = 42,393.28 : x
  2. Step 2: Convert to fraction form
    70,736.80/97,584.06 = 42,393.28/x
  3. Step 3: Cross multiply
    70,736.80x = 97,584.06 × 42,393.28
  4. Step 4: Simplify right side
    70,736.80x = 4,136,908,379.12
  5. Step 5: Solve for x
    x = 4,136,908,379.12/70,736.80
  6. Step 6: Final answer
    x = 58,483.11

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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.