Home / 66,454.79-99,569.34-40,104.16

Finding the Fourth Proportional to 66,454.79, 99,569.34 and 40,104.16

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Solution

The fourth proportional to 66,454.79, 99,569.34 and 40,104.16 is: 60,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.79 : 99,569.34 = 40,104.16 : x
  2. Step 2: Convert to fraction form
    66,454.79/99,569.34 = 40,104.16/x
  3. Step 3: Cross multiply
    66,454.79x = 99,569.34 × 40,104.16
  4. Step 4: Simplify right side
    66,454.79x = 3,993,144,493.53
  5. Step 5: Solve for x
    x = 3,993,144,493.53/66,454.79
  6. Step 6: Final answer
    x = 60,088.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.