Home / 92,955.36-128,278.58-50,513.80

Finding the Fourth Proportional to 92,955.36, 128,278.58 and 50,513.80

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Solution

The fourth proportional to 92,955.36, 128,278.58 and 50,513.80 is: 69,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,955.36 : 128,278.58 = 50,513.80 : x
  2. Step 2: Convert to fraction form
    92,955.36/128,278.58 = 50,513.80/x
  3. Step 3: Cross multiply
    92,955.36x = 128,278.58 × 50,513.80
  4. Step 4: Simplify right side
    92,955.36x = 6,479,838,534.40
  5. Step 5: Solve for x
    x = 6,479,838,534.40/92,955.36
  6. Step 6: Final answer
    x = 69,709.14

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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.