Home / 77,587.56-116,432.36-42,551.84

Finding the Fourth Proportional to 77,587.56, 116,432.36 and 42,551.84

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Solution

The fourth proportional to 77,587.56, 116,432.36 and 42,551.84 is: 63,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,587.56 : 116,432.36 = 42,551.84 : x
  2. Step 2: Convert to fraction form
    77,587.56/116,432.36 = 42,551.84/x
  3. Step 3: Cross multiply
    77,587.56x = 116,432.36 × 42,551.84
  4. Step 4: Simplify right side
    77,587.56x = 4,954,411,153.54
  5. Step 5: Solve for x
    x = 4,954,411,153.54/77,587.56
  6. Step 6: Final answer
    x = 63,855.74

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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.