Home / 96,881.28-133,688.88-54,431.52

Finding the Fourth Proportional to 96,881.28, 133,688.88 and 54,431.52

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Solution

The fourth proportional to 96,881.28, 133,688.88 and 54,431.52 is: 75,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.28 : 133,688.88 = 54,431.52 : x
  2. Step 2: Convert to fraction form
    96,881.28/133,688.88 = 54,431.52/x
  3. Step 3: Cross multiply
    96,881.28x = 133,688.88 × 54,431.52
  4. Step 4: Simplify right side
    96,881.28x = 7,276,888,945.50
  5. Step 5: Solve for x
    x = 7,276,888,945.50/96,881.28
  6. Step 6: Final answer
    x = 75,111.40

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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.