Home / 70,320.57-97,018.25-40,084.08

Finding the Fourth Proportional to 70,320.57, 97,018.25 and 40,084.08

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Solution

The fourth proportional to 70,320.57, 97,018.25 and 40,084.08 is: 55,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.57 : 97,018.25 = 40,084.08 : x
  2. Step 2: Convert to fraction form
    70,320.57/97,018.25 = 40,084.08/x
  3. Step 3: Cross multiply
    70,320.57x = 97,018.25 × 40,084.08
  4. Step 4: Simplify right side
    70,320.57x = 3,888,886,880.54
  5. Step 5: Solve for x
    x = 3,888,886,880.54/70,320.57
  6. Step 6: Final answer
    x = 55,302.27

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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.