Home / 93,291.35-128,741.40-50,850.18

Finding the Fourth Proportional to 93,291.35, 128,741.40 and 50,850.18

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Solution

The fourth proportional to 93,291.35, 128,741.40 and 50,850.18 is: 70,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.35 : 128,741.40 = 50,850.18 : x
  2. Step 2: Convert to fraction form
    93,291.35/128,741.40 = 50,850.18/x
  3. Step 3: Cross multiply
    93,291.35x = 128,741.40 × 50,850.18
  4. Step 4: Simplify right side
    93,291.35x = 6,546,523,363.45
  5. Step 5: Solve for x
    x = 6,546,523,363.45/93,291.35
  6. Step 6: Final answer
    x = 70,172.89

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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.