Home / 92,877.28-128,167.02-50,434.84

Finding the Fourth Proportional to 92,877.28, 128,167.02 and 50,434.84

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Solution

The fourth proportional to 92,877.28, 128,167.02 and 50,434.84 is: 69,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.28 : 128,167.02 = 50,434.84 : x
  2. Step 2: Convert to fraction form
    92,877.28/128,167.02 = 50,434.84/x
  3. Step 3: Cross multiply
    92,877.28x = 128,167.02 × 50,434.84
  4. Step 4: Simplify right side
    92,877.28x = 6,464,083,146.98
  5. Step 5: Solve for x
    x = 6,464,083,146.98/92,877.28
  6. Step 6: Final answer
    x = 69,598.11

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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.