Home / 88,339.24-121,887.06-59,712.28

Finding the Fourth Proportional to 88,339.24, 121,887.06 and 59,712.28

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Solution

The fourth proportional to 88,339.24, 121,887.06 and 59,712.28 is: 82,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,339.24 : 121,887.06 = 59,712.28 : x
  2. Step 2: Convert to fraction form
    88,339.24/121,887.06 = 59,712.28/x
  3. Step 3: Cross multiply
    88,339.24x = 121,887.06 × 59,712.28
  4. Step 4: Simplify right side
    88,339.24x = 7,278,154,255.10
  5. Step 5: Solve for x
    x = 7,278,154,255.10/88,339.24
  6. Step 6: Final answer
    x = 82,388.69

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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.