Home / 99,032.55-136,674.32-56,582.88

Finding the Fourth Proportional to 99,032.55, 136,674.32 and 56,582.88

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Solution

The fourth proportional to 99,032.55, 136,674.32 and 56,582.88 is: 78,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.55 : 136,674.32 = 56,582.88 : x
  2. Step 2: Convert to fraction form
    99,032.55/136,674.32 = 56,582.88/x
  3. Step 3: Cross multiply
    99,032.55x = 136,674.32 × 56,582.88
  4. Step 4: Simplify right side
    99,032.55x = 7,733,426,364.73
  5. Step 5: Solve for x
    x = 7,733,426,364.73/99,032.55
  6. Step 6: Final answer
    x = 78,089.74

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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.