Home / 93,426.96-128,934.27-50,985.78

Finding the Fourth Proportional to 93,426.96, 128,934.27 and 50,985.78

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Solution

The fourth proportional to 93,426.96, 128,934.27 and 50,985.78 is: 70,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,426.96 : 128,934.27 = 50,985.78 : x
  2. Step 2: Convert to fraction form
    93,426.96/128,934.27 = 50,985.78/x
  3. Step 3: Cross multiply
    93,426.96x = 128,934.27 × 50,985.78
  4. Step 4: Simplify right side
    93,426.96x = 6,573,814,324.68
  5. Step 5: Solve for x
    x = 6,573,814,324.68/93,426.96
  6. Step 6: Final answer
    x = 70,363.14

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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.