Home / 93,380.28-128,864.63-50,938.81

Finding the Fourth Proportional to 93,380.28, 128,864.63 and 50,938.81

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Solution

The fourth proportional to 93,380.28, 128,864.63 and 50,938.81 is: 70,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.28 : 128,864.63 = 50,938.81 : x
  2. Step 2: Convert to fraction form
    93,380.28/128,864.63 = 50,938.81/x
  3. Step 3: Cross multiply
    93,380.28x = 128,864.63 × 50,938.81
  4. Step 4: Simplify right side
    93,380.28x = 6,564,210,903.29
  5. Step 5: Solve for x
    x = 6,564,210,903.29/93,380.28
  6. Step 6: Final answer
    x = 70,295.47

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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.