Home / 105,035.13-157,501.53-34,890.75

Finding the Fourth Proportional to 105,035.13, 157,501.53 and 34,890.75

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Solution

The fourth proportional to 105,035.13, 157,501.53 and 34,890.75 is: 52,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035.13 : 157,501.53 = 34,890.75 : x
  2. Step 2: Convert to fraction form
    105,035.13/157,501.53 = 34,890.75/x
  3. Step 3: Cross multiply
    105,035.13x = 157,501.53 × 34,890.75
  4. Step 4: Simplify right side
    105,035.13x = 5,495,346,507.85
  5. Step 5: Solve for x
    x = 5,495,346,507.85/105,035.13
  6. Step 6: Final answer
    x = 52,319.13

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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.