Home / 58,579.20-80,972.16-53,929.08

Finding the Fourth Proportional to 58,579.20, 80,972.16 and 53,929.08

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Solution

The fourth proportional to 58,579.20, 80,972.16 and 53,929.08 is: 74,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.20 : 80,972.16 = 53,929.08 : x
  2. Step 2: Convert to fraction form
    58,579.20/80,972.16 = 53,929.08/x
  3. Step 3: Cross multiply
    58,579.20x = 80,972.16 × 53,929.08
  4. Step 4: Simplify right side
    58,579.20x = 4,366,754,094.41
  5. Step 5: Solve for x
    x = 4,366,754,094.41/58,579.20
  6. Step 6: Final answer
    x = 74,544.45

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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.