Home / 123,430.37-185,005.53-56,732.67

Finding the Fourth Proportional to 123,430.37, 185,005.53 and 56,732.67

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Solution

The fourth proportional to 123,430.37, 185,005.53 and 56,732.67 is: 85,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,430.37 : 185,005.53 = 56,732.67 : x
  2. Step 2: Convert to fraction form
    123,430.37/185,005.53 = 56,732.67/x
  3. Step 3: Cross multiply
    123,430.37x = 185,005.53 × 56,732.67
  4. Step 4: Simplify right side
    123,430.37x = 10,495,857,681.67
  5. Step 5: Solve for x
    x = 10,495,857,681.67/123,430.37
  6. Step 6: Final answer
    x = 85,034.65

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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.