Home / 61,622.08-92,480.64-45,862.72

Finding the Fourth Proportional to 61,622.08, 92,480.64 and 45,862.72

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Solution

The fourth proportional to 61,622.08, 92,480.64 and 45,862.72 is: 68,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.08 : 92,480.64 = 45,862.72 : x
  2. Step 2: Convert to fraction form
    61,622.08/92,480.64 = 45,862.72/x
  3. Step 3: Cross multiply
    61,622.08x = 92,480.64 × 45,862.72
  4. Step 4: Simplify right side
    61,622.08x = 4,241,413,697.74
  5. Step 5: Solve for x
    x = 4,241,413,697.74/61,622.08
  6. Step 6: Final answer
    x = 68,829.45

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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.