Home / 74,572.46-102,886.79-42,301.74

Finding the Fourth Proportional to 74,572.46, 102,886.79 and 42,301.74

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Solution

The fourth proportional to 74,572.46, 102,886.79 and 42,301.74 is: 58,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.46 : 102,886.79 = 42,301.74 : x
  2. Step 2: Convert to fraction form
    74,572.46/102,886.79 = 42,301.74/x
  3. Step 3: Cross multiply
    74,572.46x = 102,886.79 × 42,301.74
  4. Step 4: Simplify right side
    74,572.46x = 4,352,290,028.51
  5. Step 5: Solve for x
    x = 4,352,290,028.51/74,572.46
  6. Step 6: Final answer
    x = 58,363.24

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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.