Home / 99,521.55-137,351.08-59,235.45

Finding the Fourth Proportional to 99,521.55, 137,351.08 and 59,235.45

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Solution

The fourth proportional to 99,521.55, 137,351.08 and 59,235.45 is: 81,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,521.55 : 137,351.08 = 59,235.45 : x
  2. Step 2: Convert to fraction form
    99,521.55/137,351.08 = 59,235.45/x
  3. Step 3: Cross multiply
    99,521.55x = 137,351.08 × 59,235.45
  4. Step 4: Simplify right side
    99,521.55x = 8,136,052,590.76
  5. Step 5: Solve for x
    x = 8,136,052,590.76/99,521.55
  6. Step 6: Final answer
    x = 81,751.67

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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.