Home / 89,886.30-124,043.16-51,648.36

Finding the Fourth Proportional to 89,886.30, 124,043.16 and 51,648.36

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Solution

The fourth proportional to 89,886.30, 124,043.16 and 51,648.36 is: 71,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886.30 : 124,043.16 = 51,648.36 : x
  2. Step 2: Convert to fraction form
    89,886.30/124,043.16 = 51,648.36/x
  3. Step 3: Cross multiply
    89,886.30x = 124,043.16 × 51,648.36
  4. Step 4: Simplify right side
    89,886.30x = 6,406,625,783.22
  5. Step 5: Solve for x
    x = 6,406,625,783.22/89,886.30
  6. Step 6: Final answer
    x = 71,274.77

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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.