Home / 84,925.64-117,214.37-64,746.47

Finding the Fourth Proportional to 84,925.64, 117,214.37 and 64,746.47

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Solution

The fourth proportional to 84,925.64, 117,214.37 and 64,746.47 is: 89,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,925.64 : 117,214.37 = 64,746.47 : x
  2. Step 2: Convert to fraction form
    84,925.64/117,214.37 = 64,746.47/x
  3. Step 3: Cross multiply
    84,925.64x = 117,214.37 × 64,746.47
  4. Step 4: Simplify right side
    84,925.64x = 7,589,215,780.97
  5. Step 5: Solve for x
    x = 7,589,215,780.97/84,925.64
  6. Step 6: Final answer
    x = 89,363.07

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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.