Home / 70,368.35-97,106.42-40,153.12

Finding the Fourth Proportional to 70,368.35, 97,106.42 and 40,153.12

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Solution

The fourth proportional to 70,368.35, 97,106.42 and 40,153.12 is: 55,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.35 : 97,106.42 = 40,153.12 : x
  2. Step 2: Convert to fraction form
    70,368.35/97,106.42 = 40,153.12/x
  3. Step 3: Cross multiply
    70,368.35x = 97,106.42 × 40,153.12
  4. Step 4: Simplify right side
    70,368.35x = 3,899,125,592.65
  5. Step 5: Solve for x
    x = 3,899,125,592.65/70,368.35
  6. Step 6: Final answer
    x = 55,410.22

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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.