Home / 60,869.61-83,931.69-39,331.00

Finding the Fourth Proportional to 60,869.61, 83,931.69 and 39,331.00

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Solution

The fourth proportional to 60,869.61, 83,931.69 and 39,331.00 is: 54,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,869.61 : 83,931.69 = 39,331.00 : x
  2. Step 2: Convert to fraction form
    60,869.61/83,931.69 = 39,331.00/x
  3. Step 3: Cross multiply
    60,869.61x = 83,931.69 × 39,331.00
  4. Step 4: Simplify right side
    60,869.61x = 3,301,117,551.80
  5. Step 5: Solve for x
    x = 3,301,117,551.80/60,869.61
  6. Step 6: Final answer
    x = 54,232.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.