Home / 55,663.12-76,786.87-35,210.72

Finding the Fourth Proportional to 55,663.12, 76,786.87 and 35,210.72

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Solution

The fourth proportional to 55,663.12, 76,786.87 and 35,210.72 is: 48,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.12 : 76,786.87 = 35,210.72 : x
  2. Step 2: Convert to fraction form
    55,663.12/76,786.87 = 35,210.72/x
  3. Step 3: Cross multiply
    55,663.12x = 76,786.87 × 35,210.72
  4. Step 4: Simplify right side
    55,663.12x = 2,703,720,803.19
  5. Step 5: Solve for x
    x = 2,703,720,803.19/55,663.12
  6. Step 6: Final answer
    x = 48,572.93

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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.