Home / 85,316.64-117,737.73-47,077.89

Finding the Fourth Proportional to 85,316.64, 117,737.73 and 47,077.89

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Solution

The fourth proportional to 85,316.64, 117,737.73 and 47,077.89 is: 64,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,316.64 : 117,737.73 = 47,077.89 : x
  2. Step 2: Convert to fraction form
    85,316.64/117,737.73 = 47,077.89/x
  3. Step 3: Cross multiply
    85,316.64x = 117,737.73 × 47,077.89
  4. Step 4: Simplify right side
    85,316.64x = 5,542,843,901.79
  5. Step 5: Solve for x
    x = 5,542,843,901.79/85,316.64
  6. Step 6: Final answer
    x = 64,967.91

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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.