Home / 99,023.50-136,652.63-56,581.93

Finding the Fourth Proportional to 99,023.50, 136,652.63 and 56,581.93

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Solution

The fourth proportional to 99,023.50, 136,652.63 and 56,581.93 is: 78,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,023.50 : 136,652.63 = 56,581.93 : x
  2. Step 2: Convert to fraction form
    99,023.50/136,652.63 = 56,581.93/x
  3. Step 3: Cross multiply
    99,023.50x = 136,652.63 × 56,581.93
  4. Step 4: Simplify right side
    99,023.50x = 7,732,069,544.98
  5. Step 5: Solve for x
    x = 7,732,069,544.98/99,023.50
  6. Step 6: Final answer
    x = 78,083.18

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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.