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Finding the Fourth Proportional to 64,259.41, 88,705.80 and 48,347.77

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Solution

The fourth proportional to 64,259.41, 88,705.80 and 48,347.77 is: 66,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.41 : 88,705.80 = 48,347.77 : x
  2. Step 2: Convert to fraction form
    64,259.41/88,705.80 = 48,347.77/x
  3. Step 3: Cross multiply
    64,259.41x = 88,705.80 × 48,347.77
  4. Step 4: Simplify right side
    64,259.41x = 4,288,727,616.07
  5. Step 5: Solve for x
    x = 4,288,727,616.07/64,259.41
  6. Step 6: Final answer
    x = 66,740.85

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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.