Home / 75,006.48-112,454.24-45,417.36

Finding the Fourth Proportional to 75,006.48, 112,454.24 and 45,417.36

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Solution

The fourth proportional to 75,006.48, 112,454.24 and 45,417.36 is: 68,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,006.48 : 112,454.24 = 45,417.36 : x
  2. Step 2: Convert to fraction form
    75,006.48/112,454.24 = 45,417.36/x
  3. Step 3: Cross multiply
    75,006.48x = 112,454.24 × 45,417.36
  4. Step 4: Simplify right side
    75,006.48x = 5,107,374,701.61
  5. Step 5: Solve for x
    x = 5,107,374,701.61/75,006.48
  6. Step 6: Final answer
    x = 68,092.45

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1.5x scale

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.