Home / 66,320.55-99,424.98-28,852.41

Finding the Fourth Proportional to 66,320.55, 99,424.98 and 28,852.41

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Solution

The fourth proportional to 66,320.55, 99,424.98 and 28,852.41 is: 43,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.55 : 99,424.98 = 28,852.41 : x
  2. Step 2: Convert to fraction form
    66,320.55/99,424.98 = 28,852.41/x
  3. Step 3: Cross multiply
    66,320.55x = 99,424.98 × 28,852.41
  4. Step 4: Simplify right side
    66,320.55x = 2,868,650,287.20
  5. Step 5: Solve for x
    x = 2,868,650,287.20/66,320.55
  6. Step 6: Final answer
    x = 43,254.32

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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.