Home / 70,501.40-105,752.10-60,003.80

Finding the Fourth Proportional to 70,501.40, 105,752.10 and 60,003.80

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Solution

The fourth proportional to 70,501.40, 105,752.10 and 60,003.80 is: 90,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,501.40 : 105,752.10 = 60,003.80 : x
  2. Step 2: Convert to fraction form
    70,501.40/105,752.10 = 60,003.80/x
  3. Step 3: Cross multiply
    70,501.40x = 105,752.10 × 60,003.80
  4. Step 4: Simplify right side
    70,501.40x = 6,345,527,857.98
  5. Step 5: Solve for x
    x = 6,345,527,857.98/70,501.40
  6. Step 6: Final answer
    x = 90,005.70

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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.