Home / 76,342.92-105,353.49-42,352.08

Finding the Fourth Proportional to 76,342.92, 105,353.49 and 42,352.08

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Solution

The fourth proportional to 76,342.92, 105,353.49 and 42,352.08 is: 58,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,342.92 : 105,353.49 = 42,352.08 : x
  2. Step 2: Convert to fraction form
    76,342.92/105,353.49 = 42,352.08/x
  3. Step 3: Cross multiply
    76,342.92x = 105,353.49 × 42,352.08
  4. Step 4: Simplify right side
    76,342.92x = 4,461,938,909.99
  5. Step 5: Solve for x
    x = 4,461,938,909.99/76,342.92
  6. Step 6: Final answer
    x = 58,446.01

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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.