Home / 99,010.55-136,687.65-76,466.23

Finding the Fourth Proportional to 99,010.55, 136,687.65 and 76,466.23

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Solution

The fourth proportional to 99,010.55, 136,687.65 and 76,466.23 is: 105,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.55 : 136,687.65 = 76,466.23 : x
  2. Step 2: Convert to fraction form
    99,010.55/136,687.65 = 76,466.23/x
  3. Step 3: Cross multiply
    99,010.55x = 136,687.65 × 76,466.23
  4. Step 4: Simplify right side
    99,010.55x = 10,451,989,084.71
  5. Step 5: Solve for x
    x = 10,451,989,084.71/99,010.55
  6. Step 6: Final answer
    x = 105,564.40

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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.