Home / 76,263.55-105,244.45-42,272.77

Finding the Fourth Proportional to 76,263.55, 105,244.45 and 42,272.77

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Solution

The fourth proportional to 76,263.55, 105,244.45 and 42,272.77 is: 58,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.55 : 105,244.45 = 42,272.77 : x
  2. Step 2: Convert to fraction form
    76,263.55/105,244.45 = 42,272.77/x
  3. Step 3: Cross multiply
    76,263.55x = 105,244.45 × 42,272.77
  4. Step 4: Simplify right side
    76,263.55x = 4,448,974,428.63
  5. Step 5: Solve for x
    x = 4,448,974,428.63/76,263.55
  6. Step 6: Final answer
    x = 58,336.84

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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.