Home / 70,332.57-97,061.64-40,122.81

Finding the Fourth Proportional to 70,332.57, 97,061.64 and 40,122.81

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Solution

The fourth proportional to 70,332.57, 97,061.64 and 40,122.81 is: 55,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,332.57 : 97,061.64 = 40,122.81 : x
  2. Step 2: Convert to fraction form
    70,332.57/97,061.64 = 40,122.81/x
  3. Step 3: Cross multiply
    70,332.57x = 97,061.64 × 40,122.81
  4. Step 4: Simplify right side
    70,332.57x = 3,894,385,740.01
  5. Step 5: Solve for x
    x = 3,894,385,740.01/70,332.57
  6. Step 6: Final answer
    x = 55,371.01

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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.