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Finding the Fourth Proportional to 64,048.49, 88,387.62 and 35,368.11

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Solution

The fourth proportional to 64,048.49, 88,387.62 and 35,368.11 is: 48,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.49 : 88,387.62 = 35,368.11 : x
  2. Step 2: Convert to fraction form
    64,048.49/88,387.62 = 35,368.11/x
  3. Step 3: Cross multiply
    64,048.49x = 88,387.62 × 35,368.11
  4. Step 4: Simplify right side
    64,048.49x = 3,126,103,066.80
  5. Step 5: Solve for x
    x = 3,126,103,066.80/64,048.49
  6. Step 6: Final answer
    x = 48,808.38

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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.