Home / 61,942.28-85,557.32-61,009.16

Finding the Fourth Proportional to 61,942.28, 85,557.32 and 61,009.16

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Solution

The fourth proportional to 61,942.28, 85,557.32 and 61,009.16 is: 84,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.28 : 85,557.32 = 61,009.16 : x
  2. Step 2: Convert to fraction form
    61,942.28/85,557.32 = 61,009.16/x
  3. Step 3: Cross multiply
    61,942.28x = 85,557.32 × 61,009.16
  4. Step 4: Simplify right side
    61,942.28x = 5,219,780,225.05
  5. Step 5: Solve for x
    x = 5,219,780,225.05/61,942.28
  6. Step 6: Final answer
    x = 84,268.45

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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.