Home / 107,521.02-161,298.54-28,641.60

Finding the Fourth Proportional to 107,521.02, 161,298.54 and 28,641.60

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Solution

The fourth proportional to 107,521.02, 161,298.54 and 28,641.60 is: 42,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,521.02 : 161,298.54 = 28,641.60 : x
  2. Step 2: Convert to fraction form
    107,521.02/161,298.54 = 28,641.60/x
  3. Step 3: Cross multiply
    107,521.02x = 161,298.54 × 28,641.60
  4. Step 4: Simplify right side
    107,521.02x = 4,619,848,263.26
  5. Step 5: Solve for x
    x = 4,619,848,263.26/107,521.02
  6. Step 6: Final answer
    x = 42,966.93

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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.