Home / 97,782.36-134,941.59-63,812.58

Finding the Fourth Proportional to 97,782.36, 134,941.59 and 63,812.58

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Solution

The fourth proportional to 97,782.36, 134,941.59 and 63,812.58 is: 88,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,782.36 : 134,941.59 = 63,812.58 : x
  2. Step 2: Convert to fraction form
    97,782.36/134,941.59 = 63,812.58/x
  3. Step 3: Cross multiply
    97,782.36x = 134,941.59 × 63,812.58
  4. Step 4: Simplify right side
    97,782.36x = 8,610,971,007.20
  5. Step 5: Solve for x
    x = 8,610,971,007.20/97,782.36
  6. Step 6: Final answer
    x = 88,062.62

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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.