Home / 72,875.42-100,567.64-41,054.57

Finding the Fourth Proportional to 72,875.42, 100,567.64 and 41,054.57

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Solution

The fourth proportional to 72,875.42, 100,567.64 and 41,054.57 is: 56,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,875.42 : 100,567.64 = 41,054.57 : x
  2. Step 2: Convert to fraction form
    72,875.42/100,567.64 = 41,054.57/x
  3. Step 3: Cross multiply
    72,875.42x = 100,567.64 × 41,054.57
  4. Step 4: Simplify right side
    72,875.42x = 4,128,761,216.11
  5. Step 5: Solve for x
    x = 4,128,761,216.11/72,875.42
  6. Step 6: Final answer
    x = 56,655.06

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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.