Home / 64,318.86-88,666.56-45,138.78

Finding the Fourth Proportional to 64,318.86, 88,666.56 and 45,138.78

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Solution

The fourth proportional to 64,318.86, 88,666.56 and 45,138.78 is: 62,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.86 : 88,666.56 = 45,138.78 : x
  2. Step 2: Convert to fraction form
    64,318.86/88,666.56 = 45,138.78/x
  3. Step 3: Cross multiply
    64,318.86x = 88,666.56 × 45,138.78
  4. Step 4: Simplify right side
    64,318.86x = 4,002,300,345.20
  5. Step 5: Solve for x
    x = 4,002,300,345.20/64,318.86
  6. Step 6: Final answer
    x = 62,225.92

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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.