Home / 99,050.40-136,688.75-53,728.27

Finding the Fourth Proportional to 99,050.40, 136,688.75 and 53,728.27

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Solution

The fourth proportional to 99,050.40, 136,688.75 and 53,728.27 is: 74,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.40 : 136,688.75 = 53,728.27 : x
  2. Step 2: Convert to fraction form
    99,050.40/136,688.75 = 53,728.27/x
  3. Step 3: Cross multiply
    99,050.40x = 136,688.75 × 53,728.27
  4. Step 4: Simplify right side
    99,050.40x = 7,344,050,065.96
  5. Step 5: Solve for x
    x = 7,344,050,065.96/99,050.40
  6. Step 6: Final answer
    x = 74,144.58

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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.