Home / 99,020.04-136,648.32-53,698.24

Finding the Fourth Proportional to 99,020.04, 136,648.32 and 53,698.24

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Solution

The fourth proportional to 99,020.04, 136,648.32 and 53,698.24 is: 74,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,020.04 : 136,648.32 = 53,698.24 : x
  2. Step 2: Convert to fraction form
    99,020.04/136,648.32 = 53,698.24/x
  3. Step 3: Cross multiply
    99,020.04x = 136,648.32 × 53,698.24
  4. Step 4: Simplify right side
    99,020.04x = 7,337,774,282.96
  5. Step 5: Solve for x
    x = 7,337,774,282.96/99,020.04
  6. Step 6: Final answer
    x = 74,103.93

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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.