Home / 61,683.10-85,124.73-37,805.17

Finding the Fourth Proportional to 61,683.10, 85,124.73 and 37,805.17

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Solution

The fourth proportional to 61,683.10, 85,124.73 and 37,805.17 is: 52,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.10 : 85,124.73 = 37,805.17 : x
  2. Step 2: Convert to fraction form
    61,683.10/85,124.73 = 37,805.17/x
  3. Step 3: Cross multiply
    61,683.10x = 85,124.73 × 37,805.17
  4. Step 4: Simplify right side
    61,683.10x = 3,218,154,888.85
  5. Step 5: Solve for x
    x = 3,218,154,888.85/61,683.10
  6. Step 6: Final answer
    x = 52,172.39

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1.5x scale

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.