Home / 85,616.47-118,123.95-51,635.35

Finding the Fourth Proportional to 85,616.47, 118,123.95 and 51,635.35

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Solution

The fourth proportional to 85,616.47, 118,123.95 and 51,635.35 is: 71,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,616.47 : 118,123.95 = 51,635.35 : x
  2. Step 2: Convert to fraction form
    85,616.47/118,123.95 = 51,635.35/x
  3. Step 3: Cross multiply
    85,616.47x = 118,123.95 × 51,635.35
  4. Step 4: Simplify right side
    85,616.47x = 6,099,371,501.63
  5. Step 5: Solve for x
    x = 6,099,371,501.63/85,616.47
  6. Step 6: Final answer
    x = 71,240.63

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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.