Home / 90,726.48-136,173.96-46,384.92

Finding the Fourth Proportional to 90,726.48, 136,173.96 and 46,384.92

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Solution

The fourth proportional to 90,726.48, 136,173.96 and 46,384.92 is: 69,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.48 : 136,173.96 = 46,384.92 : x
  2. Step 2: Convert to fraction form
    90,726.48/136,173.96 = 46,384.92/x
  3. Step 3: Cross multiply
    90,726.48x = 136,173.96 × 46,384.92
  4. Step 4: Simplify right side
    90,726.48x = 6,316,418,240.68
  5. Step 5: Solve for x
    x = 6,316,418,240.68/90,726.48
  6. Step 6: Final answer
    x = 69,620.45

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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.