Home / 109,971.20-151,762.02-59,670.20

Finding the Fourth Proportional to 109,971.20, 151,762.02 and 59,670.20

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Solution

The fourth proportional to 109,971.20, 151,762.02 and 59,670.20 is: 82,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,971.20 : 151,762.02 = 59,670.20 : x
  2. Step 2: Convert to fraction form
    109,971.20/151,762.02 = 59,670.20/x
  3. Step 3: Cross multiply
    109,971.20x = 151,762.02 × 59,670.20
  4. Step 4: Simplify right side
    109,971.20x = 9,055,670,085.80
  5. Step 5: Solve for x
    x = 9,055,670,085.80/109,971.20
  6. Step 6: Final answer
    x = 82,345.83

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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.