Home / 92,933.31-128,248.28-50,492.15

Finding the Fourth Proportional to 92,933.31, 128,248.28 and 50,492.15

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Solution

The fourth proportional to 92,933.31, 128,248.28 and 50,492.15 is: 69,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,933.31 : 128,248.28 = 50,492.15 : x
  2. Step 2: Convert to fraction form
    92,933.31/128,248.28 = 50,492.15/x
  3. Step 3: Cross multiply
    92,933.31x = 128,248.28 × 50,492.15
  4. Step 4: Simplify right side
    92,933.31x = 6,475,531,391.00
  5. Step 5: Solve for x
    x = 6,475,531,391.00/92,933.31
  6. Step 6: Final answer
    x = 69,679.34

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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.