Home / 93,931.32-129,624.21-51,489.60

Finding the Fourth Proportional to 93,931.32, 129,624.21 and 51,489.60

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Solution

The fourth proportional to 93,931.32, 129,624.21 and 51,489.60 is: 71,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,931.32 : 129,624.21 = 51,489.60 : x
  2. Step 2: Convert to fraction form
    93,931.32/129,624.21 = 51,489.60/x
  3. Step 3: Cross multiply
    93,931.32x = 129,624.21 × 51,489.60
  4. Step 4: Simplify right side
    93,931.32x = 6,674,298,723.22
  5. Step 5: Solve for x
    x = 6,674,298,723.22/93,931.32
  6. Step 6: Final answer
    x = 71,055.09

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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.