Home / 54,746.64-75,461.40-42,788.88

Finding the Fourth Proportional to 54,746.64, 75,461.40 and 42,788.88

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Solution

The fourth proportional to 54,746.64, 75,461.40 and 42,788.88 is: 58,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,746.64 : 75,461.40 = 42,788.88 : x
  2. Step 2: Convert to fraction form
    54,746.64/75,461.40 = 42,788.88/x
  3. Step 3: Cross multiply
    54,746.64x = 75,461.40 × 42,788.88
  4. Step 4: Simplify right side
    54,746.64x = 3,228,908,789.23
  5. Step 5: Solve for x
    x = 3,228,908,789.23/54,746.64
  6. Step 6: Final answer
    x = 58,979.12

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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.