Home / 70,088.18-96,707.25-40,274.42

Finding the Fourth Proportional to 70,088.18, 96,707.25 and 40,274.42

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Solution

The fourth proportional to 70,088.18, 96,707.25 and 40,274.42 is: 55,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088.18 : 96,707.25 = 40,274.42 : x
  2. Step 2: Convert to fraction form
    70,088.18/96,707.25 = 40,274.42/x
  3. Step 3: Cross multiply
    70,088.18x = 96,707.25 × 40,274.42
  4. Step 4: Simplify right side
    70,088.18x = 3,894,828,403.55
  5. Step 5: Solve for x
    x = 3,894,828,403.55/70,088.18
  6. Step 6: Final answer
    x = 55,570.40

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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.