Home / 85,032.92-127,598.66-42,916.29

Finding the Fourth Proportional to 85,032.92, 127,598.66 and 42,916.29

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Solution

The fourth proportional to 85,032.92, 127,598.66 and 42,916.29 is: 64,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,032.92 : 127,598.66 = 42,916.29 : x
  2. Step 2: Convert to fraction form
    85,032.92/127,598.66 = 42,916.29/x
  3. Step 3: Cross multiply
    85,032.92x = 127,598.66 × 42,916.29
  4. Step 4: Simplify right side
    85,032.92x = 5,476,060,881.59
  5. Step 5: Solve for x
    x = 5,476,060,881.59/85,032.92
  6. Step 6: Final answer
    x = 64,399.31

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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.