Home / 75,140.04-103,669.74-43,304.58

Finding the Fourth Proportional to 75,140.04, 103,669.74 and 43,304.58

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Solution

The fourth proportional to 75,140.04, 103,669.74 and 43,304.58 is: 59,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.04 : 103,669.74 = 43,304.58 : x
  2. Step 2: Convert to fraction form
    75,140.04/103,669.74 = 43,304.58/x
  3. Step 3: Cross multiply
    75,140.04x = 103,669.74 × 43,304.58
  4. Step 4: Simplify right side
    75,140.04x = 4,489,374,549.41
  5. Step 5: Solve for x
    x = 4,489,374,549.41/75,140.04
  6. Step 6: Final answer
    x = 59,746.77

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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.