Home / 70,574.04-97,379.55-39,946.98

Finding the Fourth Proportional to 70,574.04, 97,379.55 and 39,946.98

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Solution

The fourth proportional to 70,574.04, 97,379.55 and 39,946.98 is: 55,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.04 : 97,379.55 = 39,946.98 : x
  2. Step 2: Convert to fraction form
    70,574.04/97,379.55 = 39,946.98/x
  3. Step 3: Cross multiply
    70,574.04x = 97,379.55 × 39,946.98
  4. Step 4: Simplify right side
    70,574.04x = 3,890,018,936.26
  5. Step 5: Solve for x
    x = 3,890,018,936.26/70,574.04
  6. Step 6: Final answer
    x = 55,119.69

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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.