Home / 94,064.16-129,810-51,622.08

Finding the Fourth Proportional to 94,064.16, 129,810 and 51,622.08

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Solution

The fourth proportional to 94,064.16, 129,810 and 51,622.08 is: 71,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,064.16 : 129,810 = 51,622.08 : x
  2. Step 2: Convert to fraction form
    94,064.16/129,810 = 51,622.08/x
  3. Step 3: Cross multiply
    94,064.16x = 129,810 × 51,622.08
  4. Step 4: Simplify right side
    94,064.16x = 6,701,062,204.80
  5. Step 5: Solve for x
    x = 6,701,062,204.80/94,064.16
  6. Step 6: Final answer
    x = 71,239.27

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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.