Home / 51,985.91-77,965.02-14,543.66

Finding the Fourth Proportional to 51,985.91, 77,965.02 and 14,543.66

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Solution

The fourth proportional to 51,985.91, 77,965.02 and 14,543.66 is: 21,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.91 : 77,965.02 = 14,543.66 : x
  2. Step 2: Convert to fraction form
    51,985.91/77,965.02 = 14,543.66/x
  3. Step 3: Cross multiply
    51,985.91x = 77,965.02 × 14,543.66
  4. Step 4: Simplify right side
    51,985.91x = 1,133,896,742.77
  5. Step 5: Solve for x
    x = 1,133,896,742.77/51,985.91
  6. Step 6: Final answer
    x = 21,811.62

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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.