Home / 86,004.09-118,681.62-47,766.12

Finding the Fourth Proportional to 86,004.09, 118,681.62 and 47,766.12

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Solution

The fourth proportional to 86,004.09, 118,681.62 and 47,766.12 is: 65,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.09 : 118,681.62 = 47,766.12 : x
  2. Step 2: Convert to fraction form
    86,004.09/118,681.62 = 47,766.12/x
  3. Step 3: Cross multiply
    86,004.09x = 118,681.62 × 47,766.12
  4. Step 4: Simplify right side
    86,004.09x = 5,668,960,502.71
  5. Step 5: Solve for x
    x = 5,668,960,502.71/86,004.09
  6. Step 6: Final answer
    x = 65,915.01

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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.