Home / 111,341.88-153,649.91-62,943.06

Finding the Fourth Proportional to 111,341.88, 153,649.91 and 62,943.06

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Solution

The fourth proportional to 111,341.88, 153,649.91 and 62,943.06 is: 86,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,341.88 : 153,649.91 = 62,943.06 : x
  2. Step 2: Convert to fraction form
    111,341.88/153,649.91 = 62,943.06/x
  3. Step 3: Cross multiply
    111,341.88x = 153,649.91 × 62,943.06
  4. Step 4: Simplify right side
    111,341.88x = 9,671,194,650.97
  5. Step 5: Solve for x
    x = 9,671,194,650.97/111,341.88
  6. Step 6: Final answer
    x = 86,860.35

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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.