Home / 96,479.79-133,140.56-54,038.19

Finding the Fourth Proportional to 96,479.79, 133,140.56 and 54,038.19

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Solution

The fourth proportional to 96,479.79, 133,140.56 and 54,038.19 is: 74,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,479.79 : 133,140.56 = 54,038.19 : x
  2. Step 2: Convert to fraction form
    96,479.79/133,140.56 = 54,038.19/x
  3. Step 3: Cross multiply
    96,479.79x = 133,140.56 × 54,038.19
  4. Step 4: Simplify right side
    96,479.79x = 7,194,674,607.80
  5. Step 5: Solve for x
    x = 7,194,674,607.80/96,479.79
  6. Step 6: Final answer
    x = 74,571.83

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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.