Home / 71,663.95-98,895.76-39,834.73

Finding the Fourth Proportional to 71,663.95, 98,895.76 and 39,834.73

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Solution

The fourth proportional to 71,663.95, 98,895.76 and 39,834.73 is: 54,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,663.95 : 98,895.76 = 39,834.73 : x
  2. Step 2: Convert to fraction form
    71,663.95/98,895.76 = 39,834.73/x
  3. Step 3: Cross multiply
    71,663.95x = 98,895.76 × 39,834.73
  4. Step 4: Simplify right side
    71,663.95x = 3,939,485,897.74
  5. Step 5: Solve for x
    x = 3,939,485,897.74/71,663.95
  6. Step 6: Final answer
    x = 54,971.65

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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.