Home / 98,749.23-148,123.85-54,353.13

Finding the Fourth Proportional to 98,749.23, 148,123.85 and 54,353.13

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Solution

The fourth proportional to 98,749.23, 148,123.85 and 54,353.13 is: 81,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749.23 : 148,123.85 = 54,353.13 : x
  2. Step 2: Convert to fraction form
    98,749.23/148,123.85 = 54,353.13/x
  3. Step 3: Cross multiply
    98,749.23x = 148,123.85 × 54,353.13
  4. Step 4: Simplify right side
    98,749.23x = 8,050,994,603.38
  5. Step 5: Solve for x
    x = 8,050,994,603.38/98,749.23
  6. Step 6: Final answer
    x = 81,529.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.