Home / 75,653.48-113,374-59,788.76

Finding the Fourth Proportional to 75,653.48, 113,374 and 59,788.76

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Solution

The fourth proportional to 75,653.48, 113,374 and 59,788.76 is: 89,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,653.48 : 113,374 = 59,788.76 : x
  2. Step 2: Convert to fraction form
    75,653.48/113,374 = 59,788.76/x
  3. Step 3: Cross multiply
    75,653.48x = 113,374 × 59,788.76
  4. Step 4: Simplify right side
    75,653.48x = 6,778,490,876.24
  5. Step 5: Solve for x
    x = 6,778,490,876.24/75,653.48
  6. Step 6: Final answer
    x = 89,599.19

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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.