Home / 64,142.07-88,513.45-35,459.91

Finding the Fourth Proportional to 64,142.07, 88,513.45 and 35,459.91

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Solution

The fourth proportional to 64,142.07, 88,513.45 and 35,459.91 is: 48,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.07 : 88,513.45 = 35,459.91 : x
  2. Step 2: Convert to fraction form
    64,142.07/88,513.45 = 35,459.91/x
  3. Step 3: Cross multiply
    64,142.07x = 88,513.45 × 35,459.91
  4. Step 4: Simplify right side
    64,142.07x = 3,138,678,970.79
  5. Step 5: Solve for x
    x = 3,138,678,970.79/64,142.07
  6. Step 6: Final answer
    x = 48,933.23

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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.