Home / 101,368.10-152,066.55-31,240.10

Finding the Fourth Proportional to 101,368.10, 152,066.55 and 31,240.10

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Solution

The fourth proportional to 101,368.10, 152,066.55 and 31,240.10 is: 46,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,368.10 : 152,066.55 = 31,240.10 : x
  2. Step 2: Convert to fraction form
    101,368.10/152,066.55 = 31,240.10/x
  3. Step 3: Cross multiply
    101,368.10x = 152,066.55 × 31,240.10
  4. Step 4: Simplify right side
    101,368.10x = 4,750,574,228.66
  5. Step 5: Solve for x
    x = 4,750,574,228.66/101,368.10
  6. Step 6: Final answer
    x = 46,864.59

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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.