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Finding the Fourth Proportional to 89,374.48, 133,864.88 and 59,653.16

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Solution

The fourth proportional to 89,374.48, 133,864.88 and 59,653.16 is: 89,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,374.48 : 133,864.88 = 59,653.16 : x
  2. Step 2: Convert to fraction form
    89,374.48/133,864.88 = 59,653.16/x
  3. Step 3: Cross multiply
    89,374.48x = 133,864.88 × 59,653.16
  4. Step 4: Simplify right side
    89,374.48x = 7,985,463,105.02
  5. Step 5: Solve for x
    x = 7,985,463,105.02/89,374.48
  6. Step 6: Final answer
    x = 89,348.36

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1.5x scale

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.