Home / 91,740.64-126,628.96-59,914.48

Finding the Fourth Proportional to 91,740.64, 126,628.96 and 59,914.48

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Solution

The fourth proportional to 91,740.64, 126,628.96 and 59,914.48 is: 82,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.64 : 126,628.96 = 59,914.48 : x
  2. Step 2: Convert to fraction form
    91,740.64/126,628.96 = 59,914.48/x
  3. Step 3: Cross multiply
    91,740.64x = 126,628.96 × 59,914.48
  4. Step 4: Simplify right side
    91,740.64x = 7,586,908,291.34
  5. Step 5: Solve for x
    x = 7,586,908,291.34/91,740.64
  6. Step 6: Final answer
    x = 82,699.54

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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.