Home / 63,124.96-87,075.70-40,455.88

Finding the Fourth Proportional to 63,124.96, 87,075.70 and 40,455.88

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Solution

The fourth proportional to 63,124.96, 87,075.70 and 40,455.88 is: 55,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.96 : 87,075.70 = 40,455.88 : x
  2. Step 2: Convert to fraction form
    63,124.96/87,075.70 = 40,455.88/x
  3. Step 3: Cross multiply
    63,124.96x = 87,075.70 × 40,455.88
  4. Step 4: Simplify right side
    63,124.96x = 3,522,724,070.12
  5. Step 5: Solve for x
    x = 3,522,724,070.12/63,124.96
  6. Step 6: Final answer
    x = 55,805.57

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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.