Home / 93,071.20-128,438.14-50,629.62

Finding the Fourth Proportional to 93,071.20, 128,438.14 and 50,629.62

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Solution

The fourth proportional to 93,071.20, 128,438.14 and 50,629.62 is: 69,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,071.20 : 128,438.14 = 50,629.62 : x
  2. Step 2: Convert to fraction form
    93,071.20/128,438.14 = 50,629.62/x
  3. Step 3: Cross multiply
    93,071.20x = 128,438.14 × 50,629.62
  4. Step 4: Simplify right side
    93,071.20x = 6,502,774,221.71
  5. Step 5: Solve for x
    x = 6,502,774,221.71/93,071.20
  6. Step 6: Final answer
    x = 69,868.81

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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.