Home / 107,064.90-147,750.75-59,319

Finding the Fourth Proportional to 107,064.90, 147,750.75 and 59,319

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Solution

The fourth proportional to 107,064.90, 147,750.75 and 59,319 is: 81,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,064.90 : 147,750.75 = 59,319 : x
  2. Step 2: Convert to fraction form
    107,064.90/147,750.75 = 59,319/x
  3. Step 3: Cross multiply
    107,064.90x = 147,750.75 × 59,319
  4. Step 4: Simplify right side
    107,064.90x = 8,764,426,739.25
  5. Step 5: Solve for x
    x = 8,764,426,739.25/107,064.90
  6. Step 6: Final answer
    x = 81,860.88

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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.