Home / 61,936.10-92,904.15-57,788.90

Finding the Fourth Proportional to 61,936.10, 92,904.15 and 57,788.90

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Solution

The fourth proportional to 61,936.10, 92,904.15 and 57,788.90 is: 86,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.10 : 92,904.15 = 57,788.90 : x
  2. Step 2: Convert to fraction form
    61,936.10/92,904.15 = 57,788.90/x
  3. Step 3: Cross multiply
    61,936.10x = 92,904.15 × 57,788.90
  4. Step 4: Simplify right side
    61,936.10x = 5,368,828,633.94
  5. Step 5: Solve for x
    x = 5,368,828,633.94/61,936.10
  6. Step 6: Final answer
    x = 86,683.35

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1.5x scale

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.