Home / 92,822.06-128,065.02-54,569.36

Finding the Fourth Proportional to 92,822.06, 128,065.02 and 54,569.36

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Solution

The fourth proportional to 92,822.06, 128,065.02 and 54,569.36 is: 75,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.06 : 128,065.02 = 54,569.36 : x
  2. Step 2: Convert to fraction form
    92,822.06/128,065.02 = 54,569.36/x
  3. Step 3: Cross multiply
    92,822.06x = 128,065.02 × 54,569.36
  4. Step 4: Simplify right side
    92,822.06x = 6,988,426,179.79
  5. Step 5: Solve for x
    x = 6,988,426,179.79/92,822.06
  6. Step 6: Final answer
    x = 75,288.42

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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.