Home / 52,085.65-78,133.09-14,646.05

Finding the Fourth Proportional to 52,085.65, 78,133.09 and 14,646.05

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Solution

The fourth proportional to 52,085.65, 78,133.09 and 14,646.05 is: 21,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.65 : 78,133.09 = 14,646.05 : x
  2. Step 2: Convert to fraction form
    52,085.65/78,133.09 = 14,646.05/x
  3. Step 3: Cross multiply
    52,085.65x = 78,133.09 × 14,646.05
  4. Step 4: Simplify right side
    52,085.65x = 1,144,341,142.79
  5. Step 5: Solve for x
    x = 1,144,341,142.79/52,085.65
  6. Step 6: Final answer
    x = 21,970.37

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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.