Home / 99,032.13-136,664.56-56,590.56

Finding the Fourth Proportional to 99,032.13, 136,664.56 and 56,590.56

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Solution

The fourth proportional to 99,032.13, 136,664.56 and 56,590.56 is: 78,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.13 : 136,664.56 = 56,590.56 : x
  2. Step 2: Convert to fraction form
    99,032.13/136,664.56 = 56,590.56/x
  3. Step 3: Cross multiply
    99,032.13x = 136,664.56 × 56,590.56
  4. Step 4: Simplify right side
    99,032.13x = 7,733,923,982.55
  5. Step 5: Solve for x
    x = 7,733,923,982.55/99,032.13
  6. Step 6: Final answer
    x = 78,095.10

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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.