Home / 92,962.19-128,283.66-52,673.60

Finding the Fourth Proportional to 92,962.19, 128,283.66 and 52,673.60

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Solution

The fourth proportional to 92,962.19, 128,283.66 and 52,673.60 is: 72,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.19 : 128,283.66 = 52,673.60 : x
  2. Step 2: Convert to fraction form
    92,962.19/128,283.66 = 52,673.60/x
  3. Step 3: Cross multiply
    92,962.19x = 128,283.66 × 52,673.60
  4. Step 4: Simplify right side
    92,962.19x = 6,757,161,551.96
  5. Step 5: Solve for x
    x = 6,757,161,551.96/92,962.19
  6. Step 6: Final answer
    x = 72,687.21

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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.