Home / 93,637.09-129,219.16-51,195.61

Finding the Fourth Proportional to 93,637.09, 129,219.16 and 51,195.61

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Solution

The fourth proportional to 93,637.09, 129,219.16 and 51,195.61 is: 70,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,637.09 : 129,219.16 = 51,195.61 : x
  2. Step 2: Convert to fraction form
    93,637.09/129,219.16 = 51,195.61/x
  3. Step 3: Cross multiply
    93,637.09x = 129,219.16 × 51,195.61
  4. Step 4: Simplify right side
    93,637.09x = 6,615,453,719.89
  5. Step 5: Solve for x
    x = 6,615,453,719.89/93,637.09
  6. Step 6: Final answer
    x = 70,649.93

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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.