Home / 93,451.02-128,963.07-51,009.90

Finding the Fourth Proportional to 93,451.02, 128,963.07 and 51,009.90

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Solution

The fourth proportional to 93,451.02, 128,963.07 and 51,009.90 is: 70,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,451.02 : 128,963.07 = 51,009.90 : x
  2. Step 2: Convert to fraction form
    93,451.02/128,963.07 = 51,009.90/x
  3. Step 3: Cross multiply
    93,451.02x = 128,963.07 × 51,009.90
  4. Step 4: Simplify right side
    93,451.02x = 6,578,393,304.39
  5. Step 5: Solve for x
    x = 6,578,393,304.39/93,451.02
  6. Step 6: Final answer
    x = 70,394.02

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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.