Home / 91,125.61-136,688.51-24,572.36

Finding the Fourth Proportional to 91,125.61, 136,688.51 and 24,572.36

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Solution

The fourth proportional to 91,125.61, 136,688.51 and 24,572.36 is: 36,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.61 : 136,688.51 = 24,572.36 : x
  2. Step 2: Convert to fraction form
    91,125.61/136,688.51 = 24,572.36/x
  3. Step 3: Cross multiply
    91,125.61x = 136,688.51 × 24,572.36
  4. Step 4: Simplify right side
    91,125.61x = 3,358,759,678.74
  5. Step 5: Solve for x
    x = 3,358,759,678.74/91,125.61
  6. Step 6: Final answer
    x = 36,858.57

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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.