Home / 85,532.48-118,030.06-47,289.81

Finding the Fourth Proportional to 85,532.48, 118,030.06 and 47,289.81

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Solution

The fourth proportional to 85,532.48, 118,030.06 and 47,289.81 is: 65,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.48 : 118,030.06 = 47,289.81 : x
  2. Step 2: Convert to fraction form
    85,532.48/118,030.06 = 47,289.81/x
  3. Step 3: Cross multiply
    85,532.48x = 118,030.06 × 47,289.81
  4. Step 4: Simplify right side
    85,532.48x = 5,581,619,111.69
  5. Step 5: Solve for x
    x = 5,581,619,111.69/85,532.48
  6. Step 6: Final answer
    x = 65,257.30

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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.