Home / 85,703.02-128,607.63-41,334.22

Finding the Fourth Proportional to 85,703.02, 128,607.63 and 41,334.22

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Solution

The fourth proportional to 85,703.02, 128,607.63 and 41,334.22 is: 62,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,703.02 : 128,607.63 = 41,334.22 : x
  2. Step 2: Convert to fraction form
    85,703.02/128,607.63 = 41,334.22/x
  3. Step 3: Cross multiply
    85,703.02x = 128,607.63 × 41,334.22
  4. Step 4: Simplify right side
    85,703.02x = 5,315,896,072.10
  5. Step 5: Solve for x
    x = 5,315,896,072.10/85,703.02
  6. Step 6: Final answer
    x = 62,026.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.