Home / 111,352.24-167,038.05-31,390.74

Finding the Fourth Proportional to 111,352.24, 167,038.05 and 31,390.74

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Solution

The fourth proportional to 111,352.24, 167,038.05 and 31,390.74 is: 47,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.24 : 167,038.05 = 31,390.74 : x
  2. Step 2: Convert to fraction form
    111,352.24/167,038.05 = 31,390.74/x
  3. Step 3: Cross multiply
    111,352.24x = 167,038.05 × 31,390.74
  4. Step 4: Simplify right side
    111,352.24x = 5,243,447,938.80
  5. Step 5: Solve for x
    x = 5,243,447,938.80/111,352.24
  6. Step 6: Final answer
    x = 47,088.84

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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.