Home / 97,011.50-133,855.71-56,717.36

Finding the Fourth Proportional to 97,011.50, 133,855.71 and 56,717.36

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Solution

The fourth proportional to 97,011.50, 133,855.71 and 56,717.36 is: 78,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,011.50 : 133,855.71 = 56,717.36 : x
  2. Step 2: Convert to fraction form
    97,011.50/133,855.71 = 56,717.36/x
  3. Step 3: Cross multiply
    97,011.50x = 133,855.71 × 56,717.36
  4. Step 4: Simplify right side
    97,011.50x = 7,591,942,492.13
  5. Step 5: Solve for x
    x = 7,591,942,492.13/97,011.50
  6. Step 6: Final answer
    x = 78,258.17

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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.