Home / 55,235.40-76,225.37-31,362.59

Finding the Fourth Proportional to 55,235.40, 76,225.37 and 31,362.59

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Solution

The fourth proportional to 55,235.40, 76,225.37 and 31,362.59 is: 43,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.40 : 76,225.37 = 31,362.59 : x
  2. Step 2: Convert to fraction form
    55,235.40/76,225.37 = 31,362.59/x
  3. Step 3: Cross multiply
    55,235.40x = 76,225.37 × 31,362.59
  4. Step 4: Simplify right side
    55,235.40x = 2,390,625,010.03
  5. Step 5: Solve for x
    x = 2,390,625,010.03/55,235.40
  6. Step 6: Final answer
    x = 43,280.67

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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.