Home / 96,478.64-133,143.12-54,036.24

Finding the Fourth Proportional to 96,478.64, 133,143.12 and 54,036.24

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Solution

The fourth proportional to 96,478.64, 133,143.12 and 54,036.24 is: 74,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.64 : 133,143.12 = 54,036.24 : x
  2. Step 2: Convert to fraction form
    96,478.64/133,143.12 = 54,036.24/x
  3. Step 3: Cross multiply
    96,478.64x = 133,143.12 × 54,036.24
  4. Step 4: Simplify right side
    96,478.64x = 7,194,553,586.67
  5. Step 5: Solve for x
    x = 7,194,553,586.67/96,478.64
  6. Step 6: Final answer
    x = 74,571.47

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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.