Home / 99,248.56-136,969.14-56,806.12

Finding the Fourth Proportional to 99,248.56, 136,969.14 and 56,806.12

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Solution

The fourth proportional to 99,248.56, 136,969.14 and 56,806.12 is: 78,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,248.56 : 136,969.14 = 56,806.12 : x
  2. Step 2: Convert to fraction form
    99,248.56/136,969.14 = 56,806.12/x
  3. Step 3: Cross multiply
    99,248.56x = 136,969.14 × 56,806.12
  4. Step 4: Simplify right side
    99,248.56x = 7,780,685,403.14
  5. Step 5: Solve for x
    x = 7,780,685,403.14/99,248.56
  6. Step 6: Final answer
    x = 78,395.95

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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.