Home / 92,869.74-128,160.77-50,428.29

Finding the Fourth Proportional to 92,869.74, 128,160.77 and 50,428.29

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Solution

The fourth proportional to 92,869.74, 128,160.77 and 50,428.29 is: 69,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,869.74 : 128,160.77 = 50,428.29 : x
  2. Step 2: Convert to fraction form
    92,869.74/128,160.77 = 50,428.29/x
  3. Step 3: Cross multiply
    92,869.74x = 128,160.77 × 50,428.29
  4. Step 4: Simplify right side
    92,869.74x = 6,462,927,583.24
  5. Step 5: Solve for x
    x = 6,462,927,583.24/92,869.74
  6. Step 6: Final answer
    x = 69,591.32

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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.