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Finding the Fourth Proportional to 64,254.88, 88,668.70 and 35,572.51

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Solution

The fourth proportional to 64,254.88, 88,668.70 and 35,572.51 is: 49,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,254.88 : 88,668.70 = 35,572.51 : x
  2. Step 2: Convert to fraction form
    64,254.88/88,668.70 = 35,572.51/x
  3. Step 3: Cross multiply
    64,254.88x = 88,668.70 × 35,572.51
  4. Step 4: Simplify right side
    64,254.88x = 3,154,168,217.44
  5. Step 5: Solve for x
    x = 3,154,168,217.44/64,254.88
  6. Step 6: Final answer
    x = 49,088.38

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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.