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Finding the Fourth Proportional to 64,356.68, 88,713.77 and 45,182.66

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Solution

The fourth proportional to 64,356.68, 88,713.77 and 45,182.66 is: 62,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.68 : 88,713.77 = 45,182.66 : x
  2. Step 2: Convert to fraction form
    64,356.68/88,713.77 = 45,182.66/x
  3. Step 3: Cross multiply
    64,356.68x = 88,713.77 × 45,182.66
  4. Step 4: Simplify right side
    64,356.68x = 4,008,323,437.75
  5. Step 5: Solve for x
    x = 4,008,323,437.75/64,356.68
  6. Step 6: Final answer
    x = 62,282.94

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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.