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Finding the Fourth Proportional to 85,058.99, 117,380.47 and 46,817.71

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Solution

The fourth proportional to 85,058.99, 117,380.47 and 46,817.71 is: 64,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.99 : 117,380.47 = 46,817.71 : x
  2. Step 2: Convert to fraction form
    85,058.99/117,380.47 = 46,817.71/x
  3. Step 3: Cross multiply
    85,058.99x = 117,380.47 × 46,817.71
  4. Step 4: Simplify right side
    85,058.99x = 5,495,484,804.12
  5. Step 5: Solve for x
    x = 5,495,484,804.12/85,058.99
  6. Step 6: Final answer
    x = 64,607.92

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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.