Home / 76,603.23-105,712.45-43,069.23

Finding the Fourth Proportional to 76,603.23, 105,712.45 and 43,069.23

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Solution

The fourth proportional to 76,603.23, 105,712.45 and 43,069.23 is: 59,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,603.23 : 105,712.45 = 43,069.23 : x
  2. Step 2: Convert to fraction form
    76,603.23/105,712.45 = 43,069.23/x
  3. Step 3: Cross multiply
    76,603.23x = 105,712.45 × 43,069.23
  4. Step 4: Simplify right side
    76,603.23x = 4,552,953,715.24
  5. Step 5: Solve for x
    x = 4,552,953,715.24/76,603.23
  6. Step 6: Final answer
    x = 59,435.53

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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.