Home / 92,782.65-128,040.03-50,341.17

Finding the Fourth Proportional to 92,782.65, 128,040.03 and 50,341.17

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Solution

The fourth proportional to 92,782.65, 128,040.03 and 50,341.17 is: 69,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.65 : 128,040.03 = 50,341.17 : x
  2. Step 2: Convert to fraction form
    92,782.65/128,040.03 = 50,341.17/x
  3. Step 3: Cross multiply
    92,782.65x = 128,040.03 × 50,341.17
  4. Step 4: Simplify right side
    92,782.65x = 6,445,684,917.04
  5. Step 5: Solve for x
    x = 6,445,684,917.04/92,782.65
  6. Step 6: Final answer
    x = 69,470.80

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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.