Home / 93,613.76-129,186.98-51,172.46

Finding the Fourth Proportional to 93,613.76, 129,186.98 and 51,172.46

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Solution

The fourth proportional to 93,613.76, 129,186.98 and 51,172.46 is: 70,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.76 : 129,186.98 = 51,172.46 : x
  2. Step 2: Convert to fraction form
    93,613.76/129,186.98 = 51,172.46/x
  3. Step 3: Cross multiply
    93,613.76x = 129,186.98 × 51,172.46
  4. Step 4: Simplify right side
    93,613.76x = 6,610,815,566.57
  5. Step 5: Solve for x
    x = 6,610,815,566.57/93,613.76
  6. Step 6: Final answer
    x = 70,617.99

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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.