Home / 72,496.02-100,044.36-40,235.58

Finding the Fourth Proportional to 72,496.02, 100,044.36 and 40,235.58

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Solution

The fourth proportional to 72,496.02, 100,044.36 and 40,235.58 is: 55,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,496.02 : 100,044.36 = 40,235.58 : x
  2. Step 2: Convert to fraction form
    72,496.02/100,044.36 = 40,235.58/x
  3. Step 3: Cross multiply
    72,496.02x = 100,044.36 × 40,235.58
  4. Step 4: Simplify right side
    72,496.02x = 4,025,343,225.50
  5. Step 5: Solve for x
    x = 4,025,343,225.50/72,496.02
  6. Step 6: Final answer
    x = 55,525.03

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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.