Home / 70,853.25-97,768.98-40,637.01

Finding the Fourth Proportional to 70,853.25, 97,768.98 and 40,637.01

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Solution

The fourth proportional to 70,853.25, 97,768.98 and 40,637.01 is: 56,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.25 : 97,768.98 = 40,637.01 : x
  2. Step 2: Convert to fraction form
    70,853.25/97,768.98 = 40,637.01/x
  3. Step 3: Cross multiply
    70,853.25x = 97,768.98 × 40,637.01
  4. Step 4: Simplify right side
    70,853.25x = 3,973,039,017.95
  5. Step 5: Solve for x
    x = 3,973,039,017.95/70,853.25
  6. Step 6: Final answer
    x = 56,074.20

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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.