Home / 61,400.28-84,365.19-48,803.16

Finding the Fourth Proportional to 61,400.28, 84,365.19 and 48,803.16

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Solution

The fourth proportional to 61,400.28, 84,365.19 and 48,803.16 is: 67,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.28 : 84,365.19 = 48,803.16 : x
  2. Step 2: Convert to fraction form
    61,400.28/84,365.19 = 48,803.16/x
  3. Step 3: Cross multiply
    61,400.28x = 84,365.19 × 48,803.16
  4. Step 4: Simplify right side
    61,400.28x = 4,117,287,866.00
  5. Step 5: Solve for x
    x = 4,117,287,866.00/61,400.28
  6. Step 6: Final answer
    x = 67,056.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.