Home / 74,863.04-103,187.88-53,066.62

Finding the Fourth Proportional to 74,863.04, 103,187.88 and 53,066.62

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Solution

The fourth proportional to 74,863.04, 103,187.88 and 53,066.62 is: 73,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863.04 : 103,187.88 = 53,066.62 : x
  2. Step 2: Convert to fraction form
    74,863.04/103,187.88 = 53,066.62/x
  3. Step 3: Cross multiply
    74,863.04x = 103,187.88 × 53,066.62
  4. Step 4: Simplify right side
    74,863.04x = 5,475,831,957.60
  5. Step 5: Solve for x
    x = 5,475,831,957.60/74,863.04
  6. Step 6: Final answer
    x = 73,144.66

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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.