Home / 93,421.26-128,938.86-58,512.03

Finding the Fourth Proportional to 93,421.26, 128,938.86 and 58,512.03

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Solution

The fourth proportional to 93,421.26, 128,938.86 and 58,512.03 is: 80,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.26 : 128,938.86 = 58,512.03 : x
  2. Step 2: Convert to fraction form
    93,421.26/128,938.86 = 58,512.03/x
  3. Step 3: Cross multiply
    93,421.26x = 128,938.86 × 58,512.03
  4. Step 4: Simplify right side
    93,421.26x = 7,544,474,444.49
  5. Step 5: Solve for x
    x = 7,544,474,444.49/93,421.26
  6. Step 6: Final answer
    x = 80,757.58

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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.