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Finding the Fourth Proportional to 63,426, 87,527.88 and 35,133.51

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Solution

The fourth proportional to 63,426, 87,527.88 and 35,133.51 is: 48,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,426 : 87,527.88 = 35,133.51 : x
  2. Step 2: Convert to fraction form
    63,426/87,527.88 = 35,133.51/x
  3. Step 3: Cross multiply
    63,426x = 87,527.88 × 35,133.51
  4. Step 4: Simplify right side
    63,426x = 3,075,161,647.26
  5. Step 5: Solve for x
    x = 3,075,161,647.26/63,426
  6. Step 6: Final answer
    x = 48,484.24

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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.