Home / 76,334.19-105,335.94-42,341.32

Finding the Fourth Proportional to 76,334.19, 105,335.94 and 42,341.32

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Solution

The fourth proportional to 76,334.19, 105,335.94 and 42,341.32 is: 58,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,334.19 : 105,335.94 = 42,341.32 : x
  2. Step 2: Convert to fraction form
    76,334.19/105,335.94 = 42,341.32/x
  3. Step 3: Cross multiply
    76,334.19x = 105,335.94 × 42,341.32
  4. Step 4: Simplify right side
    76,334.19x = 4,460,062,743.04
  5. Step 5: Solve for x
    x = 4,460,062,743.04/76,334.19
  6. Step 6: Final answer
    x = 58,428.12

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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.