Home / 99,117.12-136,776.96-53,794.08

Finding the Fourth Proportional to 99,117.12, 136,776.96 and 53,794.08

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Solution

The fourth proportional to 99,117.12, 136,776.96 and 53,794.08 is: 74,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,117.12 : 136,776.96 = 53,794.08 : x
  2. Step 2: Convert to fraction form
    99,117.12/136,776.96 = 53,794.08/x
  3. Step 3: Cross multiply
    99,117.12x = 136,776.96 × 53,794.08
  4. Step 4: Simplify right side
    99,117.12x = 7,357,790,728.40
  5. Step 5: Solve for x
    x = 7,357,790,728.40/99,117.12
  6. Step 6: Final answer
    x = 74,233.30

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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.