Home / 96,378.01-133,015.64-55,534.19

Finding the Fourth Proportional to 96,378.01, 133,015.64 and 55,534.19

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Solution

The fourth proportional to 96,378.01, 133,015.64 and 55,534.19 is: 76,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,378.01 : 133,015.64 = 55,534.19 : x
  2. Step 2: Convert to fraction form
    96,378.01/133,015.64 = 55,534.19/x
  3. Step 3: Cross multiply
    96,378.01x = 133,015.64 × 55,534.19
  4. Step 4: Simplify right side
    96,378.01x = 7,386,914,881.98
  5. Step 5: Solve for x
    x = 7,386,914,881.98/96,378.01
  6. Step 6: Final answer
    x = 76,645.23

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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.