Home / 93,421.71-128,925.09-50,982.57

Finding the Fourth Proportional to 93,421.71, 128,925.09 and 50,982.57

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Solution

The fourth proportional to 93,421.71, 128,925.09 and 50,982.57 is: 70,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.71 : 128,925.09 = 50,982.57 : x
  2. Step 2: Convert to fraction form
    93,421.71/128,925.09 = 50,982.57/x
  3. Step 3: Cross multiply
    93,421.71x = 128,925.09 × 50,982.57
  4. Step 4: Simplify right side
    93,421.71x = 6,572,932,425.68
  5. Step 5: Solve for x
    x = 6,572,932,425.68/93,421.71
  6. Step 6: Final answer
    x = 70,357.65

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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.