Home / 91,299.12-136,848.18-59,696.16

Finding the Fourth Proportional to 91,299.12, 136,848.18 and 59,696.16

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Solution

The fourth proportional to 91,299.12, 136,848.18 and 59,696.16 is: 89,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,299.12 : 136,848.18 = 59,696.16 : x
  2. Step 2: Convert to fraction form
    91,299.12/136,848.18 = 59,696.16/x
  3. Step 3: Cross multiply
    91,299.12x = 136,848.18 × 59,696.16
  4. Step 4: Simplify right side
    91,299.12x = 8,169,310,848.99
  5. Step 5: Solve for x
    x = 8,169,310,848.99/91,299.12
  6. Step 6: Final answer
    x = 89,478.53

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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.