Home / 106,783.02-147,347.37-59,037.30

Finding the Fourth Proportional to 106,783.02, 147,347.37 and 59,037.30

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Solution

The fourth proportional to 106,783.02, 147,347.37 and 59,037.30 is: 81,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,783.02 : 147,347.37 = 59,037.30 : x
  2. Step 2: Convert to fraction form
    106,783.02/147,347.37 = 59,037.30/x
  3. Step 3: Cross multiply
    106,783.02x = 147,347.37 × 59,037.30
  4. Step 4: Simplify right side
    106,783.02x = 8,698,990,886.90
  5. Step 5: Solve for x
    x = 8,698,990,886.90/106,783.02
  6. Step 6: Final answer
    x = 81,464.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.