Home / 89,374.09-133,856.93-42,659.77

Finding the Fourth Proportional to 89,374.09, 133,856.93 and 42,659.77

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Solution

The fourth proportional to 89,374.09, 133,856.93 and 42,659.77 is: 63,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,374.09 : 133,856.93 = 42,659.77 : x
  2. Step 2: Convert to fraction form
    89,374.09/133,856.93 = 42,659.77/x
  3. Step 3: Cross multiply
    89,374.09x = 133,856.93 × 42,659.77
  4. Step 4: Simplify right side
    89,374.09x = 5,710,305,618.71
  5. Step 5: Solve for x
    x = 5,710,305,618.71/89,374.09
  6. Step 6: Final answer
    x = 63,892.18

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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.