Home / 77,356.04-116,034.17-21,196.65

Finding the Fourth Proportional to 77,356.04, 116,034.17 and 21,196.65

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Solution

The fourth proportional to 77,356.04, 116,034.17 and 21,196.65 is: 31,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,356.04 : 116,034.17 = 21,196.65 : x
  2. Step 2: Convert to fraction form
    77,356.04/116,034.17 = 21,196.65/x
  3. Step 3: Cross multiply
    77,356.04x = 116,034.17 × 21,196.65
  4. Step 4: Simplify right side
    77,356.04x = 2,459,535,583.55
  5. Step 5: Solve for x
    x = 2,459,535,583.55/77,356.04
  6. Step 6: Final answer
    x = 31,795.00

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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.