Home / 93,941.32-129,491.76-71,189.23

Finding the Fourth Proportional to 93,941.32, 129,491.76 and 71,189.23

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Solution

The fourth proportional to 93,941.32, 129,491.76 and 71,189.23 is: 98,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,941.32 : 129,491.76 = 71,189.23 : x
  2. Step 2: Convert to fraction form
    93,941.32/129,491.76 = 71,189.23/x
  3. Step 3: Cross multiply
    93,941.32x = 129,491.76 × 71,189.23
  4. Step 4: Simplify right side
    93,941.32x = 9,218,418,685.74
  5. Step 5: Solve for x
    x = 9,218,418,685.74/93,941.32
  6. Step 6: Final answer
    x = 98,129.54

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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.