Home / 70,919.51-97,868.62-39,088.40

Finding the Fourth Proportional to 70,919.51, 97,868.62 and 39,088.40

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Solution

The fourth proportional to 70,919.51, 97,868.62 and 39,088.40 is: 53,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919.51 : 97,868.62 = 39,088.40 : x
  2. Step 2: Convert to fraction form
    70,919.51/97,868.62 = 39,088.40/x
  3. Step 3: Cross multiply
    70,919.51x = 97,868.62 × 39,088.40
  4. Step 4: Simplify right side
    70,919.51x = 3,825,527,325.53
  5. Step 5: Solve for x
    x = 3,825,527,325.53/70,919.51
  6. Step 6: Final answer
    x = 53,941.82

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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.