Home / 93,613.91-129,186.63-51,172.74

Finding the Fourth Proportional to 93,613.91, 129,186.63 and 51,172.74

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Solution

The fourth proportional to 93,613.91, 129,186.63 and 51,172.74 is: 70,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.91 : 129,186.63 = 51,172.74 : x
  2. Step 2: Convert to fraction form
    93,613.91/129,186.63 = 51,172.74/x
  3. Step 3: Cross multiply
    93,613.91x = 129,186.63 × 51,172.74
  4. Step 4: Simplify right side
    93,613.91x = 6,610,833,828.47
  5. Step 5: Solve for x
    x = 6,610,833,828.47/93,613.91
  6. Step 6: Final answer
    x = 70,618.08

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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.