Home / 109,812.02-151,539.53-61,413.41

Finding the Fourth Proportional to 109,812.02, 151,539.53 and 61,413.41

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Solution

The fourth proportional to 109,812.02, 151,539.53 and 61,413.41 is: 84,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812.02 : 151,539.53 = 61,413.41 : x
  2. Step 2: Convert to fraction form
    109,812.02/151,539.53 = 61,413.41/x
  3. Step 3: Cross multiply
    109,812.02x = 151,539.53 × 61,413.41
  4. Step 4: Simplify right side
    109,812.02x = 9,306,559,358.88
  5. Step 5: Solve for x
    x = 9,306,559,358.88/109,812.02
  6. Step 6: Final answer
    x = 84,749.92

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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.