Home / 85,130.15-117,484.92-46,889.69

Finding the Fourth Proportional to 85,130.15, 117,484.92 and 46,889.69

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Solution

The fourth proportional to 85,130.15, 117,484.92 and 46,889.69 is: 64,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130.15 : 117,484.92 = 46,889.69 : x
  2. Step 2: Convert to fraction form
    85,130.15/117,484.92 = 46,889.69/x
  3. Step 3: Cross multiply
    85,130.15x = 117,484.92 × 46,889.69
  4. Step 4: Simplify right side
    85,130.15x = 5,508,831,772.19
  5. Step 5: Solve for x
    x = 5,508,831,772.19/85,130.15
  6. Step 6: Final answer
    x = 64,710.70

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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.