Home / 91,807.84-137,709.93-60,416.19

Finding the Fourth Proportional to 91,807.84, 137,709.93 and 60,416.19

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Solution

The fourth proportional to 91,807.84, 137,709.93 and 60,416.19 is: 90,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,807.84 : 137,709.93 = 60,416.19 : x
  2. Step 2: Convert to fraction form
    91,807.84/137,709.93 = 60,416.19/x
  3. Step 3: Cross multiply
    91,807.84x = 137,709.93 × 60,416.19
  4. Step 4: Simplify right side
    91,807.84x = 8,319,909,295.77
  5. Step 5: Solve for x
    x = 8,319,909,295.77/91,807.84
  6. Step 6: Final answer
    x = 90,623.08

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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.