Home / 53,457.36-73,685.96-42,108.88

Finding the Fourth Proportional to 53,457.36, 73,685.96 and 42,108.88

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Solution

The fourth proportional to 53,457.36, 73,685.96 and 42,108.88 is: 58,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,457.36 : 73,685.96 = 42,108.88 : x
  2. Step 2: Convert to fraction form
    53,457.36/73,685.96 = 42,108.88/x
  3. Step 3: Cross multiply
    53,457.36x = 73,685.96 × 42,108.88
  4. Step 4: Simplify right side
    53,457.36x = 3,102,833,247.32
  5. Step 5: Solve for x
    x = 3,102,833,247.32/53,457.36
  6. Step 6: Final answer
    x = 58,043.14

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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.