Home / 99,259.16-136,977.38-53,937.14

Finding the Fourth Proportional to 99,259.16, 136,977.38 and 53,937.14

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Solution

The fourth proportional to 99,259.16, 136,977.38 and 53,937.14 is: 74,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259.16 : 136,977.38 = 53,937.14 : x
  2. Step 2: Convert to fraction form
    99,259.16/136,977.38 = 53,937.14/x
  3. Step 3: Cross multiply
    99,259.16x = 136,977.38 × 53,937.14
  4. Step 4: Simplify right side
    99,259.16x = 7,388,167,852.21
  5. Step 5: Solve for x
    x = 7,388,167,852.21/99,259.16
  6. Step 6: Final answer
    x = 74,433.11

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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.