Home / 99,041.75-136,677.84-56,600.18

Finding the Fourth Proportional to 99,041.75, 136,677.84 and 56,600.18

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Solution

The fourth proportional to 99,041.75, 136,677.84 and 56,600.18 is: 78,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,041.75 : 136,677.84 = 56,600.18 : x
  2. Step 2: Convert to fraction form
    99,041.75/136,677.84 = 56,600.18/x
  3. Step 3: Cross multiply
    99,041.75x = 136,677.84 × 56,600.18
  4. Step 4: Simplify right side
    99,041.75x = 7,735,990,346.01
  5. Step 5: Solve for x
    x = 7,735,990,346.01/99,041.75
  6. Step 6: Final answer
    x = 78,108.38

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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.