Home / 63,929.08-88,220.10-40,068.64

Finding the Fourth Proportional to 63,929.08, 88,220.10 and 40,068.64

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Solution

The fourth proportional to 63,929.08, 88,220.10 and 40,068.64 is: 55,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929.08 : 88,220.10 = 40,068.64 : x
  2. Step 2: Convert to fraction form
    63,929.08/88,220.10 = 40,068.64/x
  3. Step 3: Cross multiply
    63,929.08x = 88,220.10 × 40,068.64
  4. Step 4: Simplify right side
    63,929.08x = 3,534,859,427.66
  5. Step 5: Solve for x
    x = 3,534,859,427.66/63,929.08
  6. Step 6: Final answer
    x = 55,293.45

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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.