Home / 97,078.50-133,931.97-56,779.38

Finding the Fourth Proportional to 97,078.50, 133,931.97 and 56,779.38

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Solution

The fourth proportional to 97,078.50, 133,931.97 and 56,779.38 is: 78,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,078.50 : 133,931.97 = 56,779.38 : x
  2. Step 2: Convert to fraction form
    97,078.50/133,931.97 = 56,779.38/x
  3. Step 3: Cross multiply
    97,078.50x = 133,931.97 × 56,779.38
  4. Step 4: Simplify right side
    97,078.50x = 7,604,574,218.78
  5. Step 5: Solve for x
    x = 7,604,574,218.78/97,078.50
  6. Step 6: Final answer
    x = 78,334.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.