Home / 77,043.42-106,316.10-43,045.20

Finding the Fourth Proportional to 77,043.42, 106,316.10 and 43,045.20

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Solution

The fourth proportional to 77,043.42, 106,316.10 and 43,045.20 is: 59,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,043.42 : 106,316.10 = 43,045.20 : x
  2. Step 2: Convert to fraction form
    77,043.42/106,316.10 = 43,045.20/x
  3. Step 3: Cross multiply
    77,043.42x = 106,316.10 × 43,045.20
  4. Step 4: Simplify right side
    77,043.42x = 4,576,397,787.72
  5. Step 5: Solve for x
    x = 4,576,397,787.72/77,043.42
  6. Step 6: Final answer
    x = 59,400.24

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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.