Home / 98,726.91-136,242.74-53,404.84

Finding the Fourth Proportional to 98,726.91, 136,242.74 and 53,404.84

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Solution

The fourth proportional to 98,726.91, 136,242.74 and 53,404.84 is: 73,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,726.91 : 136,242.74 = 53,404.84 : x
  2. Step 2: Convert to fraction form
    98,726.91/136,242.74 = 53,404.84/x
  3. Step 3: Cross multiply
    98,726.91x = 136,242.74 × 53,404.84
  4. Step 4: Simplify right side
    98,726.91x = 7,276,021,730.86
  5. Step 5: Solve for x
    x = 7,276,021,730.86/98,726.91
  6. Step 6: Final answer
    x = 73,698.47

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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.