Home / 106,775.12-147,355.08-59,030.48

Finding the Fourth Proportional to 106,775.12, 147,355.08 and 59,030.48

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Solution

The fourth proportional to 106,775.12, 147,355.08 and 59,030.48 is: 81,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,775.12 : 147,355.08 = 59,030.48 : x
  2. Step 2: Convert to fraction form
    106,775.12/147,355.08 = 59,030.48/x
  3. Step 3: Cross multiply
    106,775.12x = 147,355.08 × 59,030.48
  4. Step 4: Simplify right side
    106,775.12x = 8,698,441,102.84
  5. Step 5: Solve for x
    x = 8,698,441,102.84/106,775.12
  6. Step 6: Final answer
    x = 81,465.06

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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.