Home / 106,430.84-146,881.18-58,684.12

Finding the Fourth Proportional to 106,430.84, 146,881.18 and 58,684.12

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Solution

The fourth proportional to 106,430.84, 146,881.18 and 58,684.12 is: 80,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.84 : 146,881.18 = 58,684.12 : x
  2. Step 2: Convert to fraction form
    106,430.84/146,881.18 = 58,684.12/x
  3. Step 3: Cross multiply
    106,430.84x = 146,881.18 × 58,684.12
  4. Step 4: Simplify right side
    106,430.84x = 8,619,592,792.86
  5. Step 5: Solve for x
    x = 8,619,592,792.86/106,430.84
  6. Step 6: Final answer
    x = 80,987.74

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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.