Home / 97,742.16-146,541.48-31,143.96

Finding the Fourth Proportional to 97,742.16, 146,541.48 and 31,143.96

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Solution

The fourth proportional to 97,742.16, 146,541.48 and 31,143.96 is: 46,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,742.16 : 146,541.48 = 31,143.96 : x
  2. Step 2: Convert to fraction form
    97,742.16/146,541.48 = 31,143.96/x
  3. Step 3: Cross multiply
    97,742.16x = 146,541.48 × 31,143.96
  4. Step 4: Simplify right side
    97,742.16x = 4,563,881,991.46
  5. Step 5: Solve for x
    x = 4,563,881,991.46/97,742.16
  6. Step 6: Final answer
    x = 46,693.07

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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.