Home / 85,598.47-118,163.73-51,155.36

Finding the Fourth Proportional to 85,598.47, 118,163.73 and 51,155.36

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Solution

The fourth proportional to 85,598.47, 118,163.73 and 51,155.36 is: 70,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,598.47 : 118,163.73 = 51,155.36 : x
  2. Step 2: Convert to fraction form
    85,598.47/118,163.73 = 51,155.36/x
  3. Step 3: Cross multiply
    85,598.47x = 118,163.73 × 51,155.36
  4. Step 4: Simplify right side
    85,598.47x = 6,044,707,999.39
  5. Step 5: Solve for x
    x = 6,044,707,999.39/85,598.47
  6. Step 6: Final answer
    x = 70,617.01

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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.