Home / 74,160.59-102,348.95-42,334.28

Finding the Fourth Proportional to 74,160.59, 102,348.95 and 42,334.28

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Solution

The fourth proportional to 74,160.59, 102,348.95 and 42,334.28 is: 58,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.59 : 102,348.95 = 42,334.28 : x
  2. Step 2: Convert to fraction form
    74,160.59/102,348.95 = 42,334.28/x
  3. Step 3: Cross multiply
    74,160.59x = 102,348.95 × 42,334.28
  4. Step 4: Simplify right side
    74,160.59x = 4,332,868,383.59
  5. Step 5: Solve for x
    x = 4,332,868,383.59/74,160.59
  6. Step 6: Final answer
    x = 58,425.49

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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.