Home / 86,592.51-129,699.23-51,454.71

Finding the Fourth Proportional to 86,592.51, 129,699.23 and 51,454.71

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Solution

The fourth proportional to 86,592.51, 129,699.23 and 51,454.71 is: 77,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,592.51 : 129,699.23 = 51,454.71 : x
  2. Step 2: Convert to fraction form
    86,592.51/129,699.23 = 51,454.71/x
  3. Step 3: Cross multiply
    86,592.51x = 129,699.23 × 51,454.71
  4. Step 4: Simplify right side
    86,592.51x = 6,673,636,009.60
  5. Step 5: Solve for x
    x = 6,673,636,009.60/86,592.51
  6. Step 6: Final answer
    x = 77,069.44

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1.5x scale

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.