Home / 58,959.09-81,298.89-51,337.40

Finding the Fourth Proportional to 58,959.09, 81,298.89 and 51,337.40

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Solution

The fourth proportional to 58,959.09, 81,298.89 and 51,337.40 is: 70,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,959.09 : 81,298.89 = 51,337.40 : x
  2. Step 2: Convert to fraction form
    58,959.09/81,298.89 = 51,337.40/x
  3. Step 3: Cross multiply
    58,959.09x = 81,298.89 × 51,337.40
  4. Step 4: Simplify right side
    58,959.09x = 4,173,673,228.99
  5. Step 5: Solve for x
    x = 4,173,673,228.99/58,959.09
  6. Step 6: Final answer
    x = 70,789.31

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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.