Home / 53,190.16-73,401.60-29,316.40

Finding the Fourth Proportional to 53,190.16, 73,401.60 and 29,316.40

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Solution

The fourth proportional to 53,190.16, 73,401.60 and 29,316.40 is: 40,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190.16 : 73,401.60 = 29,316.40 : x
  2. Step 2: Convert to fraction form
    53,190.16/73,401.60 = 29,316.40/x
  3. Step 3: Cross multiply
    53,190.16x = 73,401.60 × 29,316.40
  4. Step 4: Simplify right side
    53,190.16x = 2,151,870,666.24
  5. Step 5: Solve for x
    x = 2,151,870,666.24/53,190.16
  6. Step 6: Final answer
    x = 40,456.18

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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.