Home / 93,728.84-129,345.75-51,287.36

Finding the Fourth Proportional to 93,728.84, 129,345.75 and 51,287.36

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Solution

The fourth proportional to 93,728.84, 129,345.75 and 51,287.36 is: 70,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,728.84 : 129,345.75 = 51,287.36 : x
  2. Step 2: Convert to fraction form
    93,728.84/129,345.75 = 51,287.36/x
  3. Step 3: Cross multiply
    93,728.84x = 129,345.75 × 51,287.36
  4. Step 4: Simplify right side
    93,728.84x = 6,633,801,397.99
  5. Step 5: Solve for x
    x = 6,633,801,397.99/93,728.84
  6. Step 6: Final answer
    x = 70,776.53

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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.