Home / 121,562.04-182,361.24-42,662.40

Finding the Fourth Proportional to 121,562.04, 182,361.24 and 42,662.40

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Solution

The fourth proportional to 121,562.04, 182,361.24 and 42,662.40 is: 63,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,562.04 : 182,361.24 = 42,662.40 : x
  2. Step 2: Convert to fraction form
    121,562.04/182,361.24 = 42,662.40/x
  3. Step 3: Cross multiply
    121,562.04x = 182,361.24 × 42,662.40
  4. Step 4: Simplify right side
    121,562.04x = 7,779,968,165.38
  5. Step 5: Solve for x
    x = 7,779,968,165.38/121,562.04
  6. Step 6: Final answer
    x = 63,999.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.