Home / 99,123.35-136,792.26-56,102.84

Finding the Fourth Proportional to 99,123.35, 136,792.26 and 56,102.84

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Solution

The fourth proportional to 99,123.35, 136,792.26 and 56,102.84 is: 77,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,123.35 : 136,792.26 = 56,102.84 : x
  2. Step 2: Convert to fraction form
    99,123.35/136,792.26 = 56,102.84/x
  3. Step 3: Cross multiply
    99,123.35x = 136,792.26 × 56,102.84
  4. Step 4: Simplify right side
    99,123.35x = 7,674,433,592.06
  5. Step 5: Solve for x
    x = 7,674,433,592.06/99,123.35
  6. Step 6: Final answer
    x = 77,423.07

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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.