Home / 70,331.45-97,048.80-56,027.70

Finding the Fourth Proportional to 70,331.45, 97,048.80 and 56,027.70

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Solution

The fourth proportional to 70,331.45, 97,048.80 and 56,027.70 is: 77,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,331.45 : 97,048.80 = 56,027.70 : x
  2. Step 2: Convert to fraction form
    70,331.45/97,048.80 = 56,027.70/x
  3. Step 3: Cross multiply
    70,331.45x = 97,048.80 × 56,027.70
  4. Step 4: Simplify right side
    70,331.45x = 5,437,421,051.76
  5. Step 5: Solve for x
    x = 5,437,421,051.76/70,331.45
  6. Step 6: Final answer
    x = 77,311.38

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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.