Home / 70,246.77-96,943.21-40,036.86

Finding the Fourth Proportional to 70,246.77, 96,943.21 and 40,036.86

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Solution

The fourth proportional to 70,246.77, 96,943.21 and 40,036.86 is: 55,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.77 : 96,943.21 = 40,036.86 : x
  2. Step 2: Convert to fraction form
    70,246.77/96,943.21 = 40,036.86/x
  3. Step 3: Cross multiply
    70,246.77x = 96,943.21 × 40,036.86
  4. Step 4: Simplify right side
    70,246.77x = 3,881,301,726.72
  5. Step 5: Solve for x
    x = 3,881,301,726.72/70,246.77
  6. Step 6: Final answer
    x = 55,252.39

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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.