Home / 70,503.20-97,228.50-56,210.48

Finding the Fourth Proportional to 70,503.20, 97,228.50 and 56,210.48

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Solution

The fourth proportional to 70,503.20, 97,228.50 and 56,210.48 is: 77,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.20 : 97,228.50 = 56,210.48 : x
  2. Step 2: Convert to fraction form
    70,503.20/97,228.50 = 56,210.48/x
  3. Step 3: Cross multiply
    70,503.20x = 97,228.50 × 56,210.48
  4. Step 4: Simplify right side
    70,503.20x = 5,465,260,654.68
  5. Step 5: Solve for x
    x = 5,465,260,654.68/70,503.20
  6. Step 6: Final answer
    x = 77,517.91

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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.