Home / 107,085.06-147,777.12-59,337.90

Finding the Fourth Proportional to 107,085.06, 147,777.12 and 59,337.90

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Solution

The fourth proportional to 107,085.06, 147,777.12 and 59,337.90 is: 81,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,085.06 : 147,777.12 = 59,337.90 : x
  2. Step 2: Convert to fraction form
    107,085.06/147,777.12 = 59,337.90/x
  3. Step 3: Cross multiply
    107,085.06x = 147,777.12 × 59,337.90
  4. Step 4: Simplify right side
    107,085.06x = 8,768,783,968.85
  5. Step 5: Solve for x
    x = 8,768,783,968.85/107,085.06
  6. Step 6: Final answer
    x = 81,886.16

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1.5x scale

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.