Home / 88,572.84-122,161.40-56,744.70

Finding the Fourth Proportional to 88,572.84, 122,161.40 and 56,744.70

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Solution

The fourth proportional to 88,572.84, 122,161.40 and 56,744.70 is: 78,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,572.84 : 122,161.40 = 56,744.70 : x
  2. Step 2: Convert to fraction form
    88,572.84/122,161.40 = 56,744.70/x
  3. Step 3: Cross multiply
    88,572.84x = 122,161.40 × 56,744.70
  4. Step 4: Simplify right side
    88,572.84x = 6,932,011,994.58
  5. Step 5: Solve for x
    x = 6,932,011,994.58/88,572.84
  6. Step 6: Final answer
    x = 78,263.40

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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.