Home / 66,318.95-99,444.63-32,587.21

Finding the Fourth Proportional to 66,318.95, 99,444.63 and 32,587.21

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Solution

The fourth proportional to 66,318.95, 99,444.63 and 32,587.21 is: 48,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.95 : 99,444.63 = 32,587.21 : x
  2. Step 2: Convert to fraction form
    66,318.95/99,444.63 = 32,587.21/x
  3. Step 3: Cross multiply
    66,318.95x = 99,444.63 × 32,587.21
  4. Step 4: Simplify right side
    66,318.95x = 3,240,623,041.18
  5. Step 5: Solve for x
    x = 3,240,623,041.18/66,318.95
  6. Step 6: Final answer
    x = 48,864.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.