Home / 99,099.32-136,756.38-53,776.16

Finding the Fourth Proportional to 99,099.32, 136,756.38 and 53,776.16

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Solution

The fourth proportional to 99,099.32, 136,756.38 and 53,776.16 is: 74,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.32 : 136,756.38 = 53,776.16 : x
  2. Step 2: Convert to fraction form
    99,099.32/136,756.38 = 53,776.16/x
  3. Step 3: Cross multiply
    99,099.32x = 136,756.38 × 53,776.16
  4. Step 4: Simplify right side
    99,099.32x = 7,354,232,971.90
  5. Step 5: Solve for x
    x = 7,354,232,971.90/99,099.32
  6. Step 6: Final answer
    x = 74,210.73

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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.