Home / 76,569.53-105,666.03-42,577.64

Finding the Fourth Proportional to 76,569.53, 105,666.03 and 42,577.64

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Solution

The fourth proportional to 76,569.53, 105,666.03 and 42,577.64 is: 58,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,569.53 : 105,666.03 = 42,577.64 : x
  2. Step 2: Convert to fraction form
    76,569.53/105,666.03 = 42,577.64/x
  3. Step 3: Cross multiply
    76,569.53x = 105,666.03 × 42,577.64
  4. Step 4: Simplify right side
    76,569.53x = 4,499,009,657.24
  5. Step 5: Solve for x
    x = 4,499,009,657.24/76,569.53
  6. Step 6: Final answer
    x = 58,757.18

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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.